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Finding the Fourth Proportional to 549,309.60, 824,411.36 and 283,146.23

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Solution

The fourth proportional to 549,309.60, 824,411.36 and 283,146.23 is: 424,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,309.60 : 824,411.36 = 283,146.23 : x
  2. Step 2: Convert to fraction form
    549,309.60/824,411.36 = 283,146.23/x
  3. Step 3: Cross multiply
    549,309.60x = 824,411.36 × 283,146.23
  4. Step 4: Simplify right side
    549,309.60x = 233,428,964,431.12
  5. Step 5: Solve for x
    x = 233,428,964,431.12/549,309.60
  6. Step 6: Final answer
    x = 424,949.73

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Double scale
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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.