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Finding the Fourth Proportional to 261,592.36, 360,990.66 and 152,717.56

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Solution

The fourth proportional to 261,592.36, 360,990.66 and 152,717.56 is: 210,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,592.36 : 360,990.66 = 152,717.56 : x
  2. Step 2: Convert to fraction form
    261,592.36/360,990.66 = 152,717.56/x
  3. Step 3: Cross multiply
    261,592.36x = 360,990.66 × 152,717.56
  4. Step 4: Simplify right side
    261,592.36x = 55,129,612,777.99
  5. Step 5: Solve for x
    x = 55,129,612,777.99/261,592.36
  6. Step 6: Final answer
    x = 210,746.26

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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.