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Finding the Fourth Proportional to 577,424.80, 865,676.40 and 244,727.20

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Solution

The fourth proportional to 577,424.80, 865,676.40 and 244,727.20 is: 366,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,424.80 : 865,676.40 = 244,727.20 : x
  2. Step 2: Convert to fraction form
    577,424.80/865,676.40 = 244,727.20/x
  3. Step 3: Cross multiply
    577,424.80x = 865,676.40 × 244,727.20
  4. Step 4: Simplify right side
    577,424.80x = 211,854,561,478.08
  5. Step 5: Solve for x
    x = 211,854,561,478.08/577,424.80
  6. Step 6: Final answer
    x = 366,895.50

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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.