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Finding the Fourth Proportional to 482,666.60, 724,233.63 and 198,567.10

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Solution

The fourth proportional to 482,666.60, 724,233.63 and 198,567.10 is: 297,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,666.60 : 724,233.63 = 198,567.10 : x
  2. Step 2: Convert to fraction form
    482,666.60/724,233.63 = 198,567.10/x
  3. Step 3: Cross multiply
    482,666.60x = 724,233.63 × 198,567.10
  4. Step 4: Simplify right side
    482,666.60x = 143,808,971,631.57
  5. Step 5: Solve for x
    x = 143,808,971,631.57/482,666.60
  6. Step 6: Final answer
    x = 297,946.81

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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.