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Finding the Fourth Proportional to 541,454.95, 747,216.64 and 296,435.57

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Solution

The fourth proportional to 541,454.95, 747,216.64 and 296,435.57 is: 409,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,454.95 : 747,216.64 = 296,435.57 : x
  2. Step 2: Convert to fraction form
    541,454.95/747,216.64 = 296,435.57/x
  3. Step 3: Cross multiply
    541,454.95x = 747,216.64 × 296,435.57
  4. Step 4: Simplify right side
    541,454.95x = 221,501,589,781.06
  5. Step 5: Solve for x
    x = 221,501,589,781.06/541,454.95
  6. Step 6: Final answer
    x = 409,085.91

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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.