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Finding the Fourth Proportional to 360,007.60, 540,011.40 and 202,543.60

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Solution

The fourth proportional to 360,007.60, 540,011.40 and 202,543.60 is: 303,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,007.60 : 540,011.40 = 202,543.60 : x
  2. Step 2: Convert to fraction form
    360,007.60/540,011.40 = 202,543.60/x
  3. Step 3: Cross multiply
    360,007.60x = 540,011.40 × 202,543.60
  4. Step 4: Simplify right side
    360,007.60x = 109,375,852,997.04
  5. Step 5: Solve for x
    x = 109,375,852,997.04/360,007.60
  6. Step 6: Final answer
    x = 303,815.40

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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.