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Finding the Fourth Proportional to 527,277.60, 727,656.39 and 323,440.92

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Solution

The fourth proportional to 527,277.60, 727,656.39 and 323,440.92 is: 446,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,277.60 : 727,656.39 = 323,440.92 : x
  2. Step 2: Convert to fraction form
    527,277.60/727,656.39 = 323,440.92/x
  3. Step 3: Cross multiply
    527,277.60x = 727,656.39 × 323,440.92
  4. Step 4: Simplify right side
    527,277.60x = 235,353,852,225.48
  5. Step 5: Solve for x
    x = 235,353,852,225.48/527,277.60
  6. Step 6: Final answer
    x = 446,356.63

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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.