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Finding the Fourth Proportional to 614,432.80, 922,232.40 and 525,786.40

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Solution

The fourth proportional to 614,432.80, 922,232.40 and 525,786.40 is: 789,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,432.80 : 922,232.40 = 525,786.40 : x
  2. Step 2: Convert to fraction form
    614,432.80/922,232.40 = 525,786.40/x
  3. Step 3: Cross multiply
    614,432.80x = 922,232.40 × 525,786.40
  4. Step 4: Simplify right side
    614,432.80x = 484,897,253,559.36
  5. Step 5: Solve for x
    x = 484,897,253,559.36/614,432.80
  6. Step 6: Final answer
    x = 789,178.66

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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.