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Finding the Fourth Proportional to 572,574.70, 858,862.05 and 404,613.10

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Solution

The fourth proportional to 572,574.70, 858,862.05 and 404,613.10 is: 606,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,574.70 : 858,862.05 = 404,613.10 : x
  2. Step 2: Convert to fraction form
    572,574.70/858,862.05 = 404,613.10/x
  3. Step 3: Cross multiply
    572,574.70x = 858,862.05 × 404,613.10
  4. Step 4: Simplify right side
    572,574.70x = 347,506,836,522.86
  5. Step 5: Solve for x
    x = 347,506,836,522.86/572,574.70
  6. Step 6: Final answer
    x = 606,919.65

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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.