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Finding the Fourth Proportional to 549,531.20, 824,296.80 and 549,531.20

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Solution

The fourth proportional to 549,531.20, 824,296.80 and 549,531.20 is: 824,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,531.20 : 824,296.80 = 549,531.20 : x
  2. Step 2: Convert to fraction form
    549,531.20/824,296.80 = 549,531.20/x
  3. Step 3: Cross multiply
    549,531.20x = 824,296.80 × 549,531.20
  4. Step 4: Simplify right side
    549,531.20x = 452,976,809,660.16
  5. Step 5: Solve for x
    x = 452,976,809,660.16/549,531.20
  6. Step 6: Final answer
    x = 824,296.80

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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.