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Finding the Fourth Proportional to 884,115.80, 1,326,864.90 and 410,859.80

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Solution

The fourth proportional to 884,115.80, 1,326,864.90 and 410,859.80 is: 616,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,115.80 : 1,326,864.90 = 410,859.80 : x
  2. Step 2: Convert to fraction form
    884,115.80/1,326,864.90 = 410,859.80/x
  3. Step 3: Cross multiply
    884,115.80x = 1,326,864.90 × 410,859.80
  4. Step 4: Simplify right side
    884,115.80x = 545,155,447,441.02
  5. Step 5: Solve for x
    x = 545,155,447,441.02/884,115.80
  6. Step 6: Final answer
    x = 616,610.91

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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.