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Finding the Fourth Proportional to 599,866.49, 900,026.98 and 360,147.78

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Solution

The fourth proportional to 599,866.49, 900,026.98 and 360,147.78 is: 540,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,866.49 : 900,026.98 = 360,147.78 : x
  2. Step 2: Convert to fraction form
    599,866.49/900,026.98 = 360,147.78/x
  3. Step 3: Cross multiply
    599,866.49x = 900,026.98 × 360,147.78
  4. Step 4: Simplify right side
    599,866.49x = 324,142,717,886.74
  5. Step 5: Solve for x
    x = 324,142,717,886.74/599,866.49
  6. Step 6: Final answer
    x = 540,358.11

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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.