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Finding the Fourth Proportional to 425,345.83, 586,990.53 and 244,090.91

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Solution

The fourth proportional to 425,345.83, 586,990.53 and 244,090.91 is: 336,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,345.83 : 586,990.53 = 244,090.91 : x
  2. Step 2: Convert to fraction form
    425,345.83/586,990.53 = 244,090.91/x
  3. Step 3: Cross multiply
    425,345.83x = 586,990.53 × 244,090.91
  4. Step 4: Simplify right side
    425,345.83x = 143,279,052,629.08
  5. Step 5: Solve for x
    x = 143,279,052,629.08/425,345.83
  6. Step 6: Final answer
    x = 336,853.08

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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.