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Finding the Fourth Proportional to 527,347.16, 727,783.83 and 297,946.61

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Solution

The fourth proportional to 527,347.16, 727,783.83 and 297,946.61 is: 411,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,347.16 : 727,783.83 = 297,946.61 : x
  2. Step 2: Convert to fraction form
    527,347.16/727,783.83 = 297,946.61/x
  3. Step 3: Cross multiply
    527,347.16x = 727,783.83 × 297,946.61
  4. Step 4: Simplify right side
    527,347.16x = 216,840,721,322.40
  5. Step 5: Solve for x
    x = 216,840,721,322.40/527,347.16
  6. Step 6: Final answer
    x = 411,191.60

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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.