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Finding the Fourth Proportional to 544,431.24, 751,888.98 and 485,061.48

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Solution

The fourth proportional to 544,431.24, 751,888.98 and 485,061.48 is: 669,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,431.24 : 751,888.98 = 485,061.48 : x
  2. Step 2: Convert to fraction form
    544,431.24/751,888.98 = 485,061.48/x
  3. Step 3: Cross multiply
    544,431.24x = 751,888.98 × 485,061.48
  4. Step 4: Simplify right side
    544,431.24x = 364,712,381,434.49
  5. Step 5: Solve for x
    x = 364,712,381,434.49/544,431.24
  6. Step 6: Final answer
    x = 669,896.13

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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.