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Finding the Fourth Proportional to 579,642.56, 799,715.52 and 350,114.08

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Solution

The fourth proportional to 579,642.56, 799,715.52 and 350,114.08 is: 483,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,642.56 : 799,715.52 = 350,114.08 : x
  2. Step 2: Convert to fraction form
    579,642.56/799,715.52 = 350,114.08/x
  3. Step 3: Cross multiply
    579,642.56x = 799,715.52 × 350,114.08
  4. Step 4: Simplify right side
    579,642.56x = 279,991,663,546.52
  5. Step 5: Solve for x
    x = 279,991,663,546.52/579,642.56
  6. Step 6: Final answer
    x = 483,041.93

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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.