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Finding the Fourth Proportional to 355,236.60, 532,854.90 and 307,543.80

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Solution

The fourth proportional to 355,236.60, 532,854.90 and 307,543.80 is: 461,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,236.60 : 532,854.90 = 307,543.80 : x
  2. Step 2: Convert to fraction form
    355,236.60/532,854.90 = 307,543.80/x
  3. Step 3: Cross multiply
    355,236.60x = 532,854.90 × 307,543.80
  4. Step 4: Simplify right side
    355,236.60x = 163,876,220,794.62
  5. Step 5: Solve for x
    x = 163,876,220,794.62/355,236.60
  6. Step 6: Final answer
    x = 461,315.70

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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.