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Finding the Fourth Proportional to 533,988.86, 736,873.40 and 292,275.95

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Solution

The fourth proportional to 533,988.86, 736,873.40 and 292,275.95 is: 403,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,988.86 : 736,873.40 = 292,275.95 : x
  2. Step 2: Convert to fraction form
    533,988.86/736,873.40 = 292,275.95/x
  3. Step 3: Cross multiply
    533,988.86x = 736,873.40 × 292,275.95
  4. Step 4: Simplify right side
    533,988.86x = 215,370,370,061.05
  5. Step 5: Solve for x
    x = 215,370,370,061.05/533,988.86
  6. Step 6: Final answer
    x = 403,323.72

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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.