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Finding the Fourth Proportional to 1,865,059.76, 2,573,552.48 and 1,176,471.74

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Solution

The fourth proportional to 1,865,059.76, 2,573,552.48 and 1,176,471.74 is: 1,623,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,059.76 : 2,573,552.48 = 1,176,471.74 : x
  2. Step 2: Convert to fraction form
    1,865,059.76/2,573,552.48 = 1,176,471.74/x
  3. Step 3: Cross multiply
    1,865,059.76x = 2,573,552.48 × 1,176,471.74
  4. Step 4: Simplify right side
    1,865,059.76x = 3,027,711,764,126.92
  5. Step 5: Solve for x
    x = 3,027,711,764,126.92/1,865,059.76
  6. Step 6: Final answer
    x = 1,623,385.93

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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.