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Finding the Fourth Proportional to 480,144.63, 662,612.96 and 265,298.55

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Solution

The fourth proportional to 480,144.63, 662,612.96 and 265,298.55 is: 366,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,144.63 : 662,612.96 = 265,298.55 : x
  2. Step 2: Convert to fraction form
    480,144.63/662,612.96 = 265,298.55/x
  3. Step 3: Cross multiply
    480,144.63x = 662,612.96 × 265,298.55
  4. Step 4: Simplify right side
    480,144.63x = 175,790,257,499.21
  5. Step 5: Solve for x
    x = 175,790,257,499.21/480,144.63
  6. Step 6: Final answer
    x = 366,119.39

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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.