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Finding the Fourth Proportional to 572,574.30, 858,861.45 and 363,140.70

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Solution

The fourth proportional to 572,574.30, 858,861.45 and 363,140.70 is: 544,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,574.30 : 858,861.45 = 363,140.70 : x
  2. Step 2: Convert to fraction form
    572,574.30/858,861.45 = 363,140.70/x
  3. Step 3: Cross multiply
    572,574.30x = 858,861.45 × 363,140.70
  4. Step 4: Simplify right side
    572,574.30x = 311,887,548,156.02
  5. Step 5: Solve for x
    x = 311,887,548,156.02/572,574.30
  6. Step 6: Final answer
    x = 544,711.05

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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.