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Finding the Fourth Proportional to 618,006.80, 927,701.40 and 577,398.80

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Solution

The fourth proportional to 618,006.80, 927,701.40 and 577,398.80 is: 866,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,006.80 : 927,701.40 = 577,398.80 : x
  2. Step 2: Convert to fraction form
    618,006.80/927,701.40 = 577,398.80/x
  3. Step 3: Cross multiply
    618,006.80x = 927,701.40 × 577,398.80
  4. Step 4: Simplify right side
    618,006.80x = 535,653,675,118.32
  5. Step 5: Solve for x
    x = 535,653,675,118.32/618,006.80
  6. Step 6: Final answer
    x = 866,743.98

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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.