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Finding the Fourth Proportional to 482,669.80, 724,004.70 and 304,599.40

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Solution

The fourth proportional to 482,669.80, 724,004.70 and 304,599.40 is: 456,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,669.80 : 724,004.70 = 304,599.40 : x
  2. Step 2: Convert to fraction form
    482,669.80/724,004.70 = 304,599.40/x
  3. Step 3: Cross multiply
    482,669.80x = 724,004.70 × 304,599.40
  4. Step 4: Simplify right side
    482,669.80x = 220,531,397,217.18
  5. Step 5: Solve for x
    x = 220,531,397,217.18/482,669.80
  6. Step 6: Final answer
    x = 456,899.10

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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.