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Finding the Fourth Proportional to 357,033.60, 535,176.72 and 120,294.48

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Solution

The fourth proportional to 357,033.60, 535,176.72 and 120,294.48 is: 180,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,033.60 : 535,176.72 = 120,294.48 : x
  2. Step 2: Convert to fraction form
    357,033.60/535,176.72 = 120,294.48/x
  3. Step 3: Cross multiply
    357,033.60x = 535,176.72 × 120,294.48
  4. Step 4: Simplify right side
    357,033.60x = 64,378,805,240.51
  5. Step 5: Solve for x
    x = 64,378,805,240.51/357,033.60
  6. Step 6: Final answer
    x = 180,315.82

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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.