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Finding the Fourth Proportional to 541,455.20, 747,216.98 and 296,435.82

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Solution

The fourth proportional to 541,455.20, 747,216.98 and 296,435.82 is: 409,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,455.20 : 747,216.98 = 296,435.82 : x
  2. Step 2: Convert to fraction form
    541,455.20/747,216.98 = 296,435.82/x
  3. Step 3: Cross multiply
    541,455.20x = 747,216.98 × 296,435.82
  4. Step 4: Simplify right side
    541,455.20x = 221,501,878,925.31
  5. Step 5: Solve for x
    x = 221,501,878,925.31/541,455.20
  6. Step 6: Final answer
    x = 409,086.25

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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.