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Finding the Fourth Proportional to 307,262.88, 424,047.36 and 171,341.04

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Solution

The fourth proportional to 307,262.88, 424,047.36 and 171,341.04 is: 236,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,262.88 : 424,047.36 = 171,341.04 : x
  2. Step 2: Convert to fraction form
    307,262.88/424,047.36 = 171,341.04/x
  3. Step 3: Cross multiply
    307,262.88x = 424,047.36 × 171,341.04
  4. Step 4: Simplify right side
    307,262.88x = 72,656,715,671.65
  5. Step 5: Solve for x
    x = 72,656,715,671.65/307,262.88
  6. Step 6: Final answer
    x = 236,464.35

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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.