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Finding the Fourth Proportional to 480,007.60, 662,406.32 and 265,162.68

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Solution

The fourth proportional to 480,007.60, 662,406.32 and 265,162.68 is: 365,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,007.60 : 662,406.32 = 265,162.68 : x
  2. Step 2: Convert to fraction form
    480,007.60/662,406.32 = 265,162.68/x
  3. Step 3: Cross multiply
    480,007.60x = 662,406.32 × 265,162.68
  4. Step 4: Simplify right side
    480,007.60x = 175,645,435,060.14
  5. Step 5: Solve for x
    x = 175,645,435,060.14/480,007.60
  6. Step 6: Final answer
    x = 365,922.20

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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.