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Finding the Fourth Proportional to 360,038.34, 540,134.06 and 123,317.46

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Solution

The fourth proportional to 360,038.34, 540,134.06 and 123,317.46 is: 185,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,038.34 : 540,134.06 = 123,317.46 : x
  2. Step 2: Convert to fraction form
    360,038.34/540,134.06 = 123,317.46/x
  3. Step 3: Cross multiply
    360,038.34x = 540,134.06 × 123,317.46
  4. Step 4: Simplify right side
    360,038.34x = 66,607,960,338.69
  5. Step 5: Solve for x
    x = 66,607,960,338.69/360,038.34
  6. Step 6: Final answer
    x = 185,002.41

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1.5x scale

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.