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Finding the Fourth Proportional to 602,965.53, 832,030.79 and 348,398.73

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Solution

The fourth proportional to 602,965.53, 832,030.79 and 348,398.73 is: 480,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,965.53 : 832,030.79 = 348,398.73 : x
  2. Step 2: Convert to fraction form
    602,965.53/832,030.79 = 348,398.73/x
  3. Step 3: Cross multiply
    602,965.53x = 832,030.79 × 348,398.73
  4. Step 4: Simplify right side
    602,965.53x = 289,878,468,814.90
  5. Step 5: Solve for x
    x = 289,878,468,814.90/602,965.53
  6. Step 6: Final answer
    x = 480,754.63

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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.