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Finding the Fourth Proportional to 355,488.40, 532,642.08 and 250,085.92

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Solution

The fourth proportional to 355,488.40, 532,642.08 and 250,085.92 is: 374,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,488.40 : 532,642.08 = 250,085.92 : x
  2. Step 2: Convert to fraction form
    355,488.40/532,642.08 = 250,085.92/x
  3. Step 3: Cross multiply
    355,488.40x = 532,642.08 × 250,085.92
  4. Step 4: Simplify right side
    355,488.40x = 133,206,284,607.51
  5. Step 5: Solve for x
    x = 133,206,284,607.51/355,488.40
  6. Step 6: Final answer
    x = 374,713.45

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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.