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Finding the Fourth Proportional to 543,516.92, 750,074.92 and 314,066.60

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Solution

The fourth proportional to 543,516.92, 750,074.92 and 314,066.60 is: 433,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,516.92 : 750,074.92 = 314,066.60 : x
  2. Step 2: Convert to fraction form
    543,516.92/750,074.92 = 314,066.60/x
  3. Step 3: Cross multiply
    543,516.92x = 750,074.92 × 314,066.60
  4. Step 4: Simplify right side
    543,516.92x = 235,573,479,869.67
  5. Step 5: Solve for x
    x = 235,573,479,869.67/543,516.92
  6. Step 6: Final answer
    x = 433,424.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.