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Finding the Fourth Proportional to 607,910.14, 911,863.98 and 570,916.87

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Solution

The fourth proportional to 607,910.14, 911,863.98 and 570,916.87 is: 856,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,910.14 : 911,863.98 = 570,916.87 : x
  2. Step 2: Convert to fraction form
    607,910.14/911,863.98 = 570,916.87/x
  3. Step 3: Cross multiply
    607,910.14x = 911,863.98 × 570,916.87
  4. Step 4: Simplify right side
    607,910.14x = 520,598,527,047.68
  5. Step 5: Solve for x
    x = 520,598,527,047.68/607,910.14
  6. Step 6: Final answer
    x = 856,374.15

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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.