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Finding the Fourth Proportional to 356,549.83, 534,646.68 and 116,632.42

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Solution

The fourth proportional to 356,549.83, 534,646.68 and 116,632.42 is: 174,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,549.83 : 534,646.68 = 116,632.42 : x
  2. Step 2: Convert to fraction form
    356,549.83/534,646.68 = 116,632.42/x
  3. Step 3: Cross multiply
    356,549.83x = 534,646.68 × 116,632.42
  4. Step 4: Simplify right side
    356,549.83x = 62,357,136,133.37
  5. Step 5: Solve for x
    x = 62,357,136,133.37/356,549.83
  6. Step 6: Final answer
    x = 174,890.38

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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.