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Finding the Fourth Proportional to 549,909.10, 824,863.65 and 360,952.30

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Solution

The fourth proportional to 549,909.10, 824,863.65 and 360,952.30 is: 541,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,909.10 : 824,863.65 = 360,952.30 : x
  2. Step 2: Convert to fraction form
    549,909.10/824,863.65 = 360,952.30/x
  3. Step 3: Cross multiply
    549,909.10x = 824,863.65 × 360,952.30
  4. Step 4: Simplify right side
    549,909.10x = 297,736,431,653.90
  5. Step 5: Solve for x
    x = 297,736,431,653.90/549,909.10
  6. Step 6: Final answer
    x = 541,428.45

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Double scale
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Similar ratio
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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.