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Finding the Fourth Proportional to 656,602.25, 984,903.39 and 157,966.25

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Solution

The fourth proportional to 656,602.25, 984,903.39 and 157,966.25 is: 236,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,602.25 : 984,903.39 = 157,966.25 : x
  2. Step 2: Convert to fraction form
    656,602.25/984,903.39 = 157,966.25/x
  3. Step 3: Cross multiply
    656,602.25x = 984,903.39 × 157,966.25
  4. Step 4: Simplify right side
    656,602.25x = 155,581,495,130.59
  5. Step 5: Solve for x
    x = 155,581,495,130.59/656,602.25
  6. Step 6: Final answer
    x = 236,949.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.