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Finding the Fourth Proportional to 885,052, 1,221,463.92 and 545,511.52

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Solution

The fourth proportional to 885,052, 1,221,463.92 and 545,511.52 is: 752,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,052 : 1,221,463.92 = 545,511.52 : x
  2. Step 2: Convert to fraction form
    885,052/1,221,463.92 = 545,511.52/x
  3. Step 3: Cross multiply
    885,052x = 1,221,463.92 × 545,511.52
  4. Step 4: Simplify right side
    885,052x = 666,322,639,624.36
  5. Step 5: Solve for x
    x = 666,322,639,624.36/885,052
  6. Step 6: Final answer
    x = 752,862.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.