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Finding the Fourth Proportional to 364,281.68, 543,573.20 and 326,456.24

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Solution

The fourth proportional to 364,281.68, 543,573.20 and 326,456.24 is: 487,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,281.68 : 543,573.20 = 326,456.24 : x
  2. Step 2: Convert to fraction form
    364,281.68/543,573.20 = 326,456.24/x
  3. Step 3: Cross multiply
    364,281.68x = 543,573.20 × 326,456.24
  4. Step 4: Simplify right side
    364,281.68x = 177,452,863,036.77
  5. Step 5: Solve for x
    x = 177,452,863,036.77/364,281.68
  6. Step 6: Final answer
    x = 487,130.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.