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Finding the Fourth Proportional to 434,401.30, 651,601.95 and 360,918.10

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Solution

The fourth proportional to 434,401.30, 651,601.95 and 360,918.10 is: 541,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,401.30 : 651,601.95 = 360,918.10 : x
  2. Step 2: Convert to fraction form
    434,401.30/651,601.95 = 360,918.10/x
  3. Step 3: Cross multiply
    434,401.30x = 651,601.95 × 360,918.10
  4. Step 4: Simplify right side
    434,401.30x = 235,174,937,750.30
  5. Step 5: Solve for x
    x = 235,174,937,750.30/434,401.30
  6. Step 6: Final answer
    x = 541,377.15

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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.