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Finding the Fourth Proportional to 615,726.66, 849,235.17 and 529,829.58

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Solution

The fourth proportional to 615,726.66, 849,235.17 and 529,829.58 is: 730,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,726.66 : 849,235.17 = 529,829.58 : x
  2. Step 2: Convert to fraction form
    615,726.66/849,235.17 = 529,829.58/x
  3. Step 3: Cross multiply
    615,726.66x = 849,235.17 × 529,829.58
  4. Step 4: Simplify right side
    615,726.66x = 449,949,913,442.33
  5. Step 5: Solve for x
    x = 449,949,913,442.33/615,726.66
  6. Step 6: Final answer
    x = 730,762.44

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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.