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Finding the Fourth Proportional to 575,878.76, 794,284.26 and 422,868.92

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Solution

The fourth proportional to 575,878.76, 794,284.26 and 422,868.92 is: 583,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,878.76 : 794,284.26 = 422,868.92 : x
  2. Step 2: Convert to fraction form
    575,878.76/794,284.26 = 422,868.92/x
  3. Step 3: Cross multiply
    575,878.76x = 794,284.26 × 422,868.92
  4. Step 4: Simplify right side
    575,878.76x = 335,878,127,199.20
  5. Step 5: Solve for x
    x = 335,878,127,199.20/575,878.76
  6. Step 6: Final answer
    x = 583,244.51

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Double scale
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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.