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Finding the Fourth Proportional to 484,902.10, 669,117 and 270,062.16

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Solution

The fourth proportional to 484,902.10, 669,117 and 270,062.16 is: 372,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,902.10 : 669,117 = 270,062.16 : x
  2. Step 2: Convert to fraction form
    484,902.10/669,117 = 270,062.16/x
  3. Step 3: Cross multiply
    484,902.10x = 669,117 × 270,062.16
  4. Step 4: Simplify right side
    484,902.10x = 180,703,178,967.14
  5. Step 5: Solve for x
    x = 180,703,178,967.14/484,902.10
  6. Step 6: Final answer
    x = 372,659.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.