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Finding the Fourth Proportional to 586,959.24, 880,788.62 and 213,011.40

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Solution

The fourth proportional to 586,959.24, 880,788.62 and 213,011.40 is: 319,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,959.24 : 880,788.62 = 213,011.40 : x
  2. Step 2: Convert to fraction form
    586,959.24/880,788.62 = 213,011.40/x
  3. Step 3: Cross multiply
    586,959.24x = 880,788.62 × 213,011.40
  4. Step 4: Simplify right side
    586,959.24x = 187,618,017,050.27
  5. Step 5: Solve for x
    x = 187,618,017,050.27/586,959.24
  6. Step 6: Final answer
    x = 319,644.03

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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.