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Finding the Fourth Proportional to 575,877.76, 794,282.88 and 422,867.92

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Solution

The fourth proportional to 575,877.76, 794,282.88 and 422,867.92 is: 583,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,877.76 : 794,282.88 = 422,867.92 : x
  2. Step 2: Convert to fraction form
    575,877.76/794,282.88 = 422,867.92/x
  3. Step 3: Cross multiply
    575,877.76x = 794,282.88 × 422,867.92
  4. Step 4: Simplify right side
    575,877.76x = 335,876,749,357.21
  5. Step 5: Solve for x
    x = 335,876,749,357.21/575,877.76
  6. Step 6: Final answer
    x = 583,243.13

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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.