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Finding the Fourth Proportional to 602,897.18, 831,967.56 and 357,892.42

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Solution

The fourth proportional to 602,897.18, 831,967.56 and 357,892.42 is: 493,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,897.18 : 831,967.56 = 357,892.42 : x
  2. Step 2: Convert to fraction form
    602,897.18/831,967.56 = 357,892.42/x
  3. Step 3: Cross multiply
    602,897.18x = 831,967.56 × 357,892.42
  4. Step 4: Simplify right side
    602,897.18x = 297,754,883,409.90
  5. Step 5: Solve for x
    x = 297,754,883,409.90/602,897.18
  6. Step 6: Final answer
    x = 493,873.41

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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.