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Finding the Fourth Proportional to 480,523.55, 663,136.34 and 265,677.48

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Solution

The fourth proportional to 480,523.55, 663,136.34 and 265,677.48 is: 366,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,523.55 : 663,136.34 = 265,677.48 : x
  2. Step 2: Convert to fraction form
    480,523.55/663,136.34 = 265,677.48/x
  3. Step 3: Cross multiply
    480,523.55x = 663,136.34 × 265,677.48
  4. Step 4: Simplify right side
    480,523.55x = 176,180,390,379.24
  5. Step 5: Solve for x
    x = 176,180,390,379.24/480,523.55
  6. Step 6: Final answer
    x = 366,642.58

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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.