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Finding the Fourth Proportional to 602,852.31, 831,557.75 and 357,663.51

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Solution

The fourth proportional to 602,852.31, 831,557.75 and 357,663.51 is: 493,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,852.31 : 831,557.75 = 357,663.51 : x
  2. Step 2: Convert to fraction form
    602,852.31/831,557.75 = 357,663.51/x
  3. Step 3: Cross multiply
    602,852.31x = 831,557.75 × 357,663.51
  4. Step 4: Simplify right side
    602,852.31x = 297,417,861,844.39
  5. Step 5: Solve for x
    x = 297,417,861,844.39/602,852.31
  6. Step 6: Final answer
    x = 493,351.12

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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.