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Finding the Fourth Proportional to 356,307.54, 534,510.48 and 119,717.88

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Solution

The fourth proportional to 356,307.54, 534,510.48 and 119,717.88 is: 179,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,307.54 : 534,510.48 = 119,717.88 : x
  2. Step 2: Convert to fraction form
    356,307.54/534,510.48 = 119,717.88/x
  3. Step 3: Cross multiply
    356,307.54x = 534,510.48 × 119,717.88
  4. Step 4: Simplify right side
    356,307.54x = 63,990,461,503.38
  5. Step 5: Solve for x
    x = 63,990,461,503.38/356,307.54
  6. Step 6: Final answer
    x = 179,593.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.