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Finding the Fourth Proportional to 549,412.60, 824,118.90 and 460,839.10

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Solution

The fourth proportional to 549,412.60, 824,118.90 and 460,839.10 is: 691,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,412.60 : 824,118.90 = 460,839.10 : x
  2. Step 2: Convert to fraction form
    549,412.60/824,118.90 = 460,839.10/x
  3. Step 3: Cross multiply
    549,412.60x = 824,118.90 × 460,839.10
  4. Step 4: Simplify right side
    549,412.60x = 379,786,212,168.99
  5. Step 5: Solve for x
    x = 379,786,212,168.99/549,412.60
  6. Step 6: Final answer
    x = 691,258.65

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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.