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Finding the Fourth Proportional to 559,215.50, 838,041.29 and 302,493.84

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Solution

The fourth proportional to 559,215.50, 838,041.29 and 302,493.84 is: 453,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,215.50 : 838,041.29 = 302,493.84 : x
  2. Step 2: Convert to fraction form
    559,215.50/838,041.29 = 302,493.84/x
  3. Step 3: Cross multiply
    559,215.50x = 838,041.29 × 302,493.84
  4. Step 4: Simplify right side
    559,215.50x = 253,502,329,083.86
  5. Step 5: Solve for x
    x = 253,502,329,083.86/559,215.50
  6. Step 6: Final answer
    x = 453,317.78

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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.