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Finding the Fourth Proportional to 532,871.42, 735,853.66 and 342,216.97

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Solution

The fourth proportional to 532,871.42, 735,853.66 and 342,216.97 is: 472,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,871.42 : 735,853.66 = 342,216.97 : x
  2. Step 2: Convert to fraction form
    532,871.42/735,853.66 = 342,216.97/x
  3. Step 3: Cross multiply
    532,871.42x = 735,853.66 × 342,216.97
  4. Step 4: Simplify right side
    532,871.42x = 251,821,609,888.61
  5. Step 5: Solve for x
    x = 251,821,609,888.61/532,871.42
  6. Step 6: Final answer
    x = 472,574.81

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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.