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Finding the Fourth Proportional to 614,935.80, 922,403.70 and 591,316.20

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Solution

The fourth proportional to 614,935.80, 922,403.70 and 591,316.20 is: 886,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,935.80 : 922,403.70 = 591,316.20 : x
  2. Step 2: Convert to fraction form
    614,935.80/922,403.70 = 591,316.20/x
  3. Step 3: Cross multiply
    614,935.80x = 922,403.70 × 591,316.20
  4. Step 4: Simplify right side
    614,935.80x = 545,432,250,749.94
  5. Step 5: Solve for x
    x = 545,432,250,749.94/614,935.80
  6. Step 6: Final answer
    x = 886,974.30

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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.