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Finding the Fourth Proportional to 457,982.17, 632,017.69 and 254,018.90

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Solution

The fourth proportional to 457,982.17, 632,017.69 and 254,018.90 is: 350,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,982.17 : 632,017.69 = 254,018.90 : x
  2. Step 2: Convert to fraction form
    457,982.17/632,017.69 = 254,018.90/x
  3. Step 3: Cross multiply
    457,982.17x = 632,017.69 × 254,018.90
  4. Step 4: Simplify right side
    457,982.17x = 160,544,439,339.34
  5. Step 5: Solve for x
    x = 160,544,439,339.34/457,982.17
  6. Step 6: Final answer
    x = 350,547.36

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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.