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Finding the Fourth Proportional to 558,870.77, 838,094.67 and 239,009.33

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Solution

The fourth proportional to 558,870.77, 838,094.67 and 239,009.33 is: 358,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,870.77 : 838,094.67 = 239,009.33 : x
  2. Step 2: Convert to fraction form
    558,870.77/838,094.67 = 239,009.33/x
  3. Step 3: Cross multiply
    558,870.77x = 838,094.67 × 239,009.33
  4. Step 4: Simplify right side
    558,870.77x = 200,312,441,362.80
  5. Step 5: Solve for x
    x = 200,312,441,362.80/558,870.77
  6. Step 6: Final answer
    x = 358,423.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.