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Finding the Fourth Proportional to 356,648.58, 531,256.95 and 337,715.91

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Solution

The fourth proportional to 356,648.58, 531,256.95 and 337,715.91 is: 503,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,648.58 : 531,256.95 = 337,715.91 : x
  2. Step 2: Convert to fraction form
    356,648.58/531,256.95 = 337,715.91/x
  3. Step 3: Cross multiply
    356,648.58x = 531,256.95 × 337,715.91
  4. Step 4: Simplify right side
    356,648.58x = 179,413,924,313.07
  5. Step 5: Solve for x
    x = 179,413,924,313.07/356,648.58
  6. Step 6: Final answer
    x = 503,055.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.