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Finding the Fourth Proportional to 530,960.48, 732,719.76 and 304,641.44

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Solution

The fourth proportional to 530,960.48, 732,719.76 and 304,641.44 is: 420,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,960.48 : 732,719.76 = 304,641.44 : x
  2. Step 2: Convert to fraction form
    530,960.48/732,719.76 = 304,641.44/x
  3. Step 3: Cross multiply
    530,960.48x = 732,719.76 × 304,641.44
  4. Step 4: Simplify right side
    530,960.48x = 223,216,802,802.85
  5. Step 5: Solve for x
    x = 223,216,802,802.85/530,960.48
  6. Step 6: Final answer
    x = 420,401.92

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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.