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Finding the Fourth Proportional to 546,155.88, 753,962.57 and 423,377.03

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Solution

The fourth proportional to 546,155.88, 753,962.57 and 423,377.03 is: 584,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,155.88 : 753,962.57 = 423,377.03 : x
  2. Step 2: Convert to fraction form
    546,155.88/753,962.57 = 423,377.03/x
  3. Step 3: Cross multiply
    546,155.88x = 753,962.57 × 423,377.03
  4. Step 4: Simplify right side
    546,155.88x = 319,210,427,731.07
  5. Step 5: Solve for x
    x = 319,210,427,731.07/546,155.88
  6. Step 6: Final answer
    x = 584,467.62

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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.