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Finding the Fourth Proportional to 480,191.68, 662,646.72 and 265,327.30

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Solution

The fourth proportional to 480,191.68, 662,646.72 and 265,327.30 is: 366,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,191.68 : 662,646.72 = 265,327.30 : x
  2. Step 2: Convert to fraction form
    480,191.68/662,646.72 = 265,327.30/x
  3. Step 3: Cross multiply
    480,191.68x = 662,646.72 × 265,327.30
  4. Step 4: Simplify right side
    480,191.68x = 175,818,265,071.46
  5. Step 5: Solve for x
    x = 175,818,265,071.46/480,191.68
  6. Step 6: Final answer
    x = 366,141.84

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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.