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Finding the Fourth Proportional to 457,182.62, 630,922.25 and 260,945.19

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Solution

The fourth proportional to 457,182.62, 630,922.25 and 260,945.19 is: 360,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,182.62 : 630,922.25 = 260,945.19 : x
  2. Step 2: Convert to fraction form
    457,182.62/630,922.25 = 260,945.19/x
  3. Step 3: Cross multiply
    457,182.62x = 630,922.25 × 260,945.19
  4. Step 4: Simplify right side
    457,182.62x = 164,636,126,401.48
  5. Step 5: Solve for x
    x = 164,636,126,401.48/457,182.62
  6. Step 6: Final answer
    x = 360,110.20

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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.