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Finding the Fourth Proportional to 581,103, 801,965.88 and 354,792.24

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Solution

The fourth proportional to 581,103, 801,965.88 and 354,792.24 is: 489,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,103 : 801,965.88 = 354,792.24 : x
  2. Step 2: Convert to fraction form
    581,103/801,965.88 = 354,792.24/x
  3. Step 3: Cross multiply
    581,103x = 801,965.88 × 354,792.24
  4. Step 4: Simplify right side
    581,103x = 284,531,270,968.77
  5. Step 5: Solve for x
    x = 284,531,270,968.77/581,103
  6. Step 6: Final answer
    x = 489,640.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.