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Finding the Fourth Proportional to 544,642.56, 751,554.08 and 315,154.07

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Solution

The fourth proportional to 544,642.56, 751,554.08 and 315,154.07 is: 434,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,642.56 : 751,554.08 = 315,154.07 : x
  2. Step 2: Convert to fraction form
    544,642.56/751,554.08 = 315,154.07/x
  3. Step 3: Cross multiply
    544,642.56x = 751,554.08 × 315,154.07
  4. Step 4: Simplify right side
    544,642.56x = 236,855,325,803.72
  5. Step 5: Solve for x
    x = 236,855,325,803.72/544,642.56
  6. Step 6: Final answer
    x = 434,882.15

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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.