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Finding the Fourth Proportional to 536,862.70, 805,275.59 and 137,506.93

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Solution

The fourth proportional to 536,862.70, 805,275.59 and 137,506.93 is: 206,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,862.70 : 805,275.59 = 137,506.93 : x
  2. Step 2: Convert to fraction form
    536,862.70/805,275.59 = 137,506.93/x
  3. Step 3: Cross multiply
    536,862.70x = 805,275.59 × 137,506.93
  4. Step 4: Simplify right side
    536,862.70x = 110,730,971,484.12
  5. Step 5: Solve for x
    x = 110,730,971,484.12/536,862.70
  6. Step 6: Final answer
    x = 206,255.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.