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Finding the Fourth Proportional to 349,320.60, 523,980.90 and 96,600.60

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Solution

The fourth proportional to 349,320.60, 523,980.90 and 96,600.60 is: 144,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,320.60 : 523,980.90 = 96,600.60 : x
  2. Step 2: Convert to fraction form
    349,320.60/523,980.90 = 96,600.60/x
  3. Step 3: Cross multiply
    349,320.60x = 523,980.90 × 96,600.60
  4. Step 4: Simplify right side
    349,320.60x = 50,616,869,328.54
  5. Step 5: Solve for x
    x = 50,616,869,328.54/349,320.60
  6. Step 6: Final answer
    x = 144,900.90

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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.