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Finding the Fourth Proportional to 810,560.24, 1,118,712.03 and 471,225.32

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Solution

The fourth proportional to 810,560.24, 1,118,712.03 and 471,225.32 is: 650,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,560.24 : 1,118,712.03 = 471,225.32 : x
  2. Step 2: Convert to fraction form
    810,560.24/1,118,712.03 = 471,225.32/x
  3. Step 3: Cross multiply
    810,560.24x = 1,118,712.03 × 471,225.32
  4. Step 4: Simplify right side
    810,560.24x = 527,165,434,324.60
  5. Step 5: Solve for x
    x = 527,165,434,324.60/810,560.24
  6. Step 6: Final answer
    x = 650,371.69

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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.