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Finding the Fourth Proportional to 475,616.40, 656,348.04 and 260,765.52

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Solution

The fourth proportional to 475,616.40, 656,348.04 and 260,765.52 is: 359,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,616.40 : 656,348.04 = 260,765.52 : x
  2. Step 2: Convert to fraction form
    475,616.40/656,348.04 = 260,765.52/x
  3. Step 3: Cross multiply
    475,616.40x = 656,348.04 × 260,765.52
  4. Step 4: Simplify right side
    475,616.40x = 171,152,937,951.58
  5. Step 5: Solve for x
    x = 171,152,937,951.58/475,616.40
  6. Step 6: Final answer
    x = 359,855.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.