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Finding the Fourth Proportional to 615,726.40, 849,234.83 and 529,829.33

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Solution

The fourth proportional to 615,726.40, 849,234.83 and 529,829.33 is: 730,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,726.40 : 849,234.83 = 529,829.33 : x
  2. Step 2: Convert to fraction form
    615,726.40/849,234.83 = 529,829.33/x
  3. Step 3: Cross multiply
    615,726.40x = 849,234.83 × 529,829.33
  4. Step 4: Simplify right side
    615,726.40x = 449,949,518,069.96
  5. Step 5: Solve for x
    x = 449,949,518,069.96/615,726.40
  6. Step 6: Final answer
    x = 730,762.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.