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Finding the Fourth Proportional to 616,881.60, 925,322.40 and 522,403.20

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Solution

The fourth proportional to 616,881.60, 925,322.40 and 522,403.20 is: 783,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,881.60 : 925,322.40 = 522,403.20 : x
  2. Step 2: Convert to fraction form
    616,881.60/925,322.40 = 522,403.20/x
  3. Step 3: Cross multiply
    616,881.60x = 925,322.40 × 522,403.20
  4. Step 4: Simplify right side
    616,881.60x = 483,391,382,791.68
  5. Step 5: Solve for x
    x = 483,391,382,791.68/616,881.60
  6. Step 6: Final answer
    x = 783,604.80

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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.