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Finding the Fourth Proportional to 617,097.60, 926,193.15 and 364,061.70

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Solution

The fourth proportional to 617,097.60, 926,193.15 and 364,061.70 is: 546,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,097.60 : 926,193.15 = 364,061.70 : x
  2. Step 2: Convert to fraction form
    617,097.60/926,193.15 = 364,061.70/x
  3. Step 3: Cross multiply
    617,097.60x = 926,193.15 × 364,061.70
  4. Step 4: Simplify right side
    617,097.60x = 337,191,452,717.36
  5. Step 5: Solve for x
    x = 337,191,452,717.36/617,097.60
  6. Step 6: Final answer
    x = 546,415.11

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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.