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Finding the Fourth Proportional to 617,549,503.30, 926,324,254.95 and 531,456,061.30

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Solution

The fourth proportional to 617,549,503.30, 926,324,254.95 and 531,456,061.30 is: 797,184,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,549,503.30 : 926,324,254.95 = 531,456,061.30 : x
  2. Step 2: Convert to fraction form
    617,549,503.30/926,324,254.95 = 531,456,061.30/x
  3. Step 3: Cross multiply
    617,549,503.30x = 926,324,254.95 × 531,456,061.30
  4. Step 4: Simplify right side
    617,549,503.30x = 492,300,640,022,384,064
  5. Step 5: Solve for x
    x = 492,300,640,022,384,064/617,549,503.30
  6. Step 6: Final answer
    x = 797,184,091.95

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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.