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Finding the Fourth Proportional to 508,747.66, 701,671.17 and 450,666.52

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Solution

The fourth proportional to 508,747.66, 701,671.17 and 450,666.52 is: 621,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,747.66 : 701,671.17 = 450,666.52 : x
  2. Step 2: Convert to fraction form
    508,747.66/701,671.17 = 450,666.52/x
  3. Step 3: Cross multiply
    508,747.66x = 701,671.17 × 450,666.52
  4. Step 4: Simplify right side
    508,747.66x = 316,219,704,368.23
  5. Step 5: Solve for x
    x = 316,219,704,368.23/508,747.66
  6. Step 6: Final answer
    x = 621,564.93

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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.