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Finding the Fourth Proportional to 584,780.64, 806,952.24 and 330,156.96

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Solution

The fourth proportional to 584,780.64, 806,952.24 and 330,156.96 is: 455,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,780.64 : 806,952.24 = 330,156.96 : x
  2. Step 2: Convert to fraction form
    584,780.64/806,952.24 = 330,156.96/x
  3. Step 3: Cross multiply
    584,780.64x = 806,952.24 × 330,156.96
  4. Step 4: Simplify right side
    584,780.64x = 266,420,898,423.59
  5. Step 5: Solve for x
    x = 266,420,898,423.59/584,780.64
  6. Step 6: Final answer
    x = 455,591.17

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1.5x scale

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.