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Finding the Fourth Proportional to 488,409.18, 732,503.07 and 172,866.12

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Solution

The fourth proportional to 488,409.18, 732,503.07 and 172,866.12 is: 259,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,409.18 : 732,503.07 = 172,866.12 : x
  2. Step 2: Convert to fraction form
    488,409.18/732,503.07 = 172,866.12/x
  3. Step 3: Cross multiply
    488,409.18x = 732,503.07 × 172,866.12
  4. Step 4: Simplify right side
    488,409.18x = 126,624,963,598.99
  5. Step 5: Solve for x
    x = 126,624,963,598.99/488,409.18
  6. Step 6: Final answer
    x = 259,260.00

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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.