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Finding the Fourth Proportional to 382,952.16, 577,295.28 and 357,262.20

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Solution

The fourth proportional to 382,952.16, 577,295.28 and 357,262.20 is: 538,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,952.16 : 577,295.28 = 357,262.20 : x
  2. Step 2: Convert to fraction form
    382,952.16/577,295.28 = 357,262.20/x
  3. Step 3: Cross multiply
    382,952.16x = 577,295.28 × 357,262.20
  4. Step 4: Simplify right side
    382,952.16x = 206,245,781,782.42
  5. Step 5: Solve for x
    x = 206,245,781,782.42/382,952.16
  6. Step 6: Final answer
    x = 538,568.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.