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Finding the Fourth Proportional to 574,977.40, 862,466.10 and 260,049.40

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Solution

The fourth proportional to 574,977.40, 862,466.10 and 260,049.40 is: 390,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,977.40 : 862,466.10 = 260,049.40 : x
  2. Step 2: Convert to fraction form
    574,977.40/862,466.10 = 260,049.40/x
  3. Step 3: Cross multiply
    574,977.40x = 862,466.10 × 260,049.40
  4. Step 4: Simplify right side
    574,977.40x = 224,283,791,825.34
  5. Step 5: Solve for x
    x = 224,283,791,825.34/574,977.40
  6. Step 6: Final answer
    x = 390,074.10

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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.