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Finding the Fourth Proportional to 575,759.38, 862,482.45 and 286,700.17

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Solution

The fourth proportional to 575,759.38, 862,482.45 and 286,700.17 is: 429,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,759.38 : 862,482.45 = 286,700.17 : x
  2. Step 2: Convert to fraction form
    575,759.38/862,482.45 = 286,700.17/x
  3. Step 3: Cross multiply
    575,759.38x = 862,482.45 × 286,700.17
  4. Step 4: Simplify right side
    575,759.38x = 247,273,865,037.02
  5. Step 5: Solve for x
    x = 247,273,865,037.02/575,759.38
  6. Step 6: Final answer
    x = 429,474.31

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Double scale
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Similar ratio
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1.5x scale

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.