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Finding the Fourth Proportional to 532,042.42, 734,195.72 and 290,318.98

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Solution

The fourth proportional to 532,042.42, 734,195.72 and 290,318.98 is: 400,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,042.42 : 734,195.72 = 290,318.98 : x
  2. Step 2: Convert to fraction form
    532,042.42/734,195.72 = 290,318.98/x
  3. Step 3: Cross multiply
    532,042.42x = 734,195.72 × 290,318.98
  4. Step 4: Simplify right side
    532,042.42x = 213,150,952,550.77
  5. Step 5: Solve for x
    x = 213,150,952,550.77/532,042.42
  6. Step 6: Final answer
    x = 400,627.74

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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.