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Finding the Fourth Proportional to 622,282.40, 933,423.60 and 472,983.20

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Solution

The fourth proportional to 622,282.40, 933,423.60 and 472,983.20 is: 709,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,282.40 : 933,423.60 = 472,983.20 : x
  2. Step 2: Convert to fraction form
    622,282.40/933,423.60 = 472,983.20/x
  3. Step 3: Cross multiply
    622,282.40x = 933,423.60 × 472,983.20
  4. Step 4: Simplify right side
    622,282.40x = 441,493,681,283.52
  5. Step 5: Solve for x
    x = 441,493,681,283.52/622,282.40
  6. Step 6: Final answer
    x = 709,474.80

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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.