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Finding the Fourth Proportional to 449,376.12, 619,854.24 and 341,710.11

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Solution

The fourth proportional to 449,376.12, 619,854.24 and 341,710.11 is: 471,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,376.12 : 619,854.24 = 341,710.11 : x
  2. Step 2: Convert to fraction form
    449,376.12/619,854.24 = 341,710.11/x
  3. Step 3: Cross multiply
    449,376.12x = 619,854.24 × 341,710.11
  4. Step 4: Simplify right side
    449,376.12x = 211,810,460,534.37
  5. Step 5: Solve for x
    x = 211,810,460,534.37/449,376.12
  6. Step 6: Final answer
    x = 471,343.38

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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.