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Finding the Fourth Proportional to 656,444.40, 984,666.60 and 605,122.80

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Solution

The fourth proportional to 656,444.40, 984,666.60 and 605,122.80 is: 907,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,444.40 : 984,666.60 = 605,122.80 : x
  2. Step 2: Convert to fraction form
    656,444.40/984,666.60 = 605,122.80/x
  3. Step 3: Cross multiply
    656,444.40x = 984,666.60 × 605,122.80
  4. Step 4: Simplify right side
    656,444.40x = 595,844,210,058.48
  5. Step 5: Solve for x
    x = 595,844,210,058.48/656,444.40
  6. Step 6: Final answer
    x = 907,684.20

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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.