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Finding the Fourth Proportional to 260,717.10, 359,603.70 and 239,275.94

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Solution

The fourth proportional to 260,717.10, 359,603.70 and 239,275.94 is: 330,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,717.10 : 359,603.70 = 239,275.94 : x
  2. Step 2: Convert to fraction form
    260,717.10/359,603.70 = 239,275.94/x
  3. Step 3: Cross multiply
    260,717.10x = 359,603.70 × 239,275.94
  4. Step 4: Simplify right side
    260,717.10x = 86,044,513,344.98
  5. Step 5: Solve for x
    x = 86,044,513,344.98/260,717.10
  6. Step 6: Final answer
    x = 330,030.19

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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.