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Finding the Fourth Proportional to 614,784.40, 922,176.60 and 414,017.80

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Solution

The fourth proportional to 614,784.40, 922,176.60 and 414,017.80 is: 621,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,784.40 : 922,176.60 = 414,017.80 : x
  2. Step 2: Convert to fraction form
    614,784.40/922,176.60 = 414,017.80/x
  3. Step 3: Cross multiply
    614,784.40x = 922,176.60 × 414,017.80
  4. Step 4: Simplify right side
    614,784.40x = 381,797,527,143.48
  5. Step 5: Solve for x
    x = 381,797,527,143.48/614,784.40
  6. Step 6: Final answer
    x = 621,026.70

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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.