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Finding the Fourth Proportional to 634,512.60, 949,898.94 and 555,780.60

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Solution

The fourth proportional to 634,512.60, 949,898.94 and 555,780.60 is: 832,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,512.60 : 949,898.94 = 555,780.60 : x
  2. Step 2: Convert to fraction form
    634,512.60/949,898.94 = 555,780.60/x
  3. Step 3: Cross multiply
    634,512.60x = 949,898.94 × 555,780.60
  4. Step 4: Simplify right side
    634,512.60x = 527,935,402,812.56
  5. Step 5: Solve for x
    x = 527,935,402,812.56/634,512.60
  6. Step 6: Final answer
    x = 832,032.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.