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Finding the Fourth Proportional to 572,528.10, 858,792.15 and 362,403.30

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Solution

The fourth proportional to 572,528.10, 858,792.15 and 362,403.30 is: 543,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,528.10 : 858,792.15 = 362,403.30 : x
  2. Step 2: Convert to fraction form
    572,528.10/858,792.15 = 362,403.30/x
  3. Step 3: Cross multiply
    572,528.10x = 858,792.15 × 362,403.30
  4. Step 4: Simplify right side
    572,528.10x = 311,229,109,174.10
  5. Step 5: Solve for x
    x = 311,229,109,174.10/572,528.10
  6. Step 6: Final answer
    x = 543,604.95

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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.