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Finding the Fourth Proportional to 614,732.32, 917,290.60 and 486,924.32

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Solution

The fourth proportional to 614,732.32, 917,290.60 and 486,924.32 is: 726,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,732.32 : 917,290.60 = 486,924.32 : x
  2. Step 2: Convert to fraction form
    614,732.32/917,290.60 = 486,924.32/x
  3. Step 3: Cross multiply
    614,732.32x = 917,290.60 × 486,924.32
  4. Step 4: Simplify right side
    614,732.32x = 446,651,101,647.39
  5. Step 5: Solve for x
    x = 446,651,101,647.39/614,732.32
  6. Step 6: Final answer
    x = 726,578.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.