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Finding the Fourth Proportional to 356,488.81, 534,852.36 and 116,613.65

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Solution

The fourth proportional to 356,488.81, 534,852.36 and 116,613.65 is: 174,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,488.81 : 534,852.36 = 116,613.65 : x
  2. Step 2: Convert to fraction form
    356,488.81/534,852.36 = 116,613.65/x
  3. Step 3: Cross multiply
    356,488.81x = 534,852.36 × 116,613.65
  4. Step 4: Simplify right side
    356,488.81x = 62,371,087,247.84
  5. Step 5: Solve for x
    x = 62,371,087,247.84/356,488.81
  6. Step 6: Final answer
    x = 174,959.45

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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.