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Finding the Fourth Proportional to 656,984.80, 985,477.20 and 183,669.40

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Solution

The fourth proportional to 656,984.80, 985,477.20 and 183,669.40 is: 275,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,984.80 : 985,477.20 = 183,669.40 : x
  2. Step 2: Convert to fraction form
    656,984.80/985,477.20 = 183,669.40/x
  3. Step 3: Cross multiply
    656,984.80x = 985,477.20 × 183,669.40
  4. Step 4: Simplify right side
    656,984.80x = 181,002,006,037.68
  5. Step 5: Solve for x
    x = 181,002,006,037.68/656,984.80
  6. Step 6: Final answer
    x = 275,504.10

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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.