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Finding the Fourth Proportional to 614,861.10, 922,464.45 and 260,045.10

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Solution

The fourth proportional to 614,861.10, 922,464.45 and 260,045.10 is: 390,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,861.10 : 922,464.45 = 260,045.10 : x
  2. Step 2: Convert to fraction form
    614,861.10/922,464.45 = 260,045.10/x
  3. Step 3: Cross multiply
    614,861.10x = 922,464.45 × 260,045.10
  4. Step 4: Simplify right side
    614,861.10x = 239,882,360,146.70
  5. Step 5: Solve for x
    x = 239,882,360,146.70/614,861.10
  6. Step 6: Final answer
    x = 390,140.73

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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.