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Finding the Fourth Proportional to 574,752.62, 862,128.38 and 271,075.92

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Solution

The fourth proportional to 574,752.62, 862,128.38 and 271,075.92 is: 406,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,752.62 : 862,128.38 = 271,075.92 : x
  2. Step 2: Convert to fraction form
    574,752.62/862,128.38 = 271,075.92/x
  3. Step 3: Cross multiply
    574,752.62x = 862,128.38 × 271,075.92
  4. Step 4: Simplify right side
    574,752.62x = 233,702,242,411.23
  5. Step 5: Solve for x
    x = 233,702,242,411.23/574,752.62
  6. Step 6: Final answer
    x = 406,613.62

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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.