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Finding the Fourth Proportional to 489,586.92, 675,444.12 and 360,832.74

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Solution

The fourth proportional to 489,586.92, 675,444.12 and 360,832.74 is: 497,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,586.92 : 675,444.12 = 360,832.74 : x
  2. Step 2: Convert to fraction form
    489,586.92/675,444.12 = 360,832.74/x
  3. Step 3: Cross multiply
    489,586.92x = 675,444.12 × 360,832.74
  4. Step 4: Simplify right side
    489,586.92x = 243,722,352,536.49
  5. Step 5: Solve for x
    x = 243,722,352,536.49/489,586.92
  6. Step 6: Final answer
    x = 497,812.22

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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.