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Finding the Fourth Proportional to 360,465.39, 540,273.65 and 147,100.19

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Solution

The fourth proportional to 360,465.39, 540,273.65 and 147,100.19 is: 220,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,465.39 : 540,273.65 = 147,100.19 : x
  2. Step 2: Convert to fraction form
    360,465.39/540,273.65 = 147,100.19/x
  3. Step 3: Cross multiply
    360,465.39x = 540,273.65 × 147,100.19
  4. Step 4: Simplify right side
    360,465.39x = 79,474,353,130.12
  5. Step 5: Solve for x
    x = 79,474,353,130.12/360,465.39
  6. Step 6: Final answer
    x = 220,477.07

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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.