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Finding the Fourth Proportional to 735,264.90, 1,101,730.95 and 485,655.30

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Solution

The fourth proportional to 735,264.90, 1,101,730.95 and 485,655.30 is: 727,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,264.90 : 1,101,730.95 = 485,655.30 : x
  2. Step 2: Convert to fraction form
    735,264.90/1,101,730.95 = 485,655.30/x
  3. Step 3: Cross multiply
    735,264.90x = 1,101,730.95 × 485,655.30
  4. Step 4: Simplify right side
    735,264.90x = 535,061,475,041.54
  5. Step 5: Solve for x
    x = 535,061,475,041.54/735,264.90
  6. Step 6: Final answer
    x = 727,712.52

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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.