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Finding the Fourth Proportional to 602,326.95, 831,237.26 and 360,562.74

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Solution

The fourth proportional to 602,326.95, 831,237.26 and 360,562.74 is: 497,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,326.95 : 831,237.26 = 360,562.74 : x
  2. Step 2: Convert to fraction form
    602,326.95/831,237.26 = 360,562.74/x
  3. Step 3: Cross multiply
    602,326.95x = 831,237.26 × 360,562.74
  4. Step 4: Simplify right side
    602,326.95x = 299,713,182,252.88
  5. Step 5: Solve for x
    x = 299,713,182,252.88/602,326.95
  6. Step 6: Final answer
    x = 497,592.18

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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.