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Finding the Fourth Proportional to 449,038.01, 619,076.98 and 372,267.29

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Solution

The fourth proportional to 449,038.01, 619,076.98 and 372,267.29 is: 513,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,038.01 : 619,076.98 = 372,267.29 : x
  2. Step 2: Convert to fraction form
    449,038.01/619,076.98 = 372,267.29/x
  3. Step 3: Cross multiply
    449,038.01x = 619,076.98 × 372,267.29
  4. Step 4: Simplify right side
    449,038.01x = 230,462,109,645.98
  5. Step 5: Solve for x
    x = 230,462,109,645.98/449,038.01
  6. Step 6: Final answer
    x = 513,235.19

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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.