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Finding the Fourth Proportional to 549,404.10, 824,106.15 and 460,830.60

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Solution

The fourth proportional to 549,404.10, 824,106.15 and 460,830.60 is: 691,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,404.10 : 824,106.15 = 460,830.60 : x
  2. Step 2: Convert to fraction form
    549,404.10/824,106.15 = 460,830.60/x
  3. Step 3: Cross multiply
    549,404.10x = 824,106.15 × 460,830.60
  4. Step 4: Simplify right side
    549,404.10x = 379,773,331,568.19
  5. Step 5: Solve for x
    x = 379,773,331,568.19/549,404.10
  6. Step 6: Final answer
    x = 691,245.90

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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.