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Finding the Fourth Proportional to 584,555.32, 876,306.42 and 210,315

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Solution

The fourth proportional to 584,555.32, 876,306.42 and 210,315 is: 315,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,555.32 : 876,306.42 = 210,315 : x
  2. Step 2: Convert to fraction form
    584,555.32/876,306.42 = 210,315/x
  3. Step 3: Cross multiply
    584,555.32x = 876,306.42 × 210,315
  4. Step 4: Simplify right side
    584,555.32x = 184,300,384,722.30
  5. Step 5: Solve for x
    x = 184,300,384,722.30/584,555.32
  6. Step 6: Final answer
    x = 315,283.05

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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.