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Finding the Fourth Proportional to 334,338.18, 501,510.52 and 85,020.18

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Solution

The fourth proportional to 334,338.18, 501,510.52 and 85,020.18 is: 127,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,338.18 : 501,510.52 = 85,020.18 : x
  2. Step 2: Convert to fraction form
    334,338.18/501,510.52 = 85,020.18/x
  3. Step 3: Cross multiply
    334,338.18x = 501,510.52 × 85,020.18
  4. Step 4: Simplify right side
    334,338.18x = 42,638,514,682.29
  5. Step 5: Solve for x
    x = 42,638,514,682.29/334,338.18
  6. Step 6: Final answer
    x = 127,531.10

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1.5x scale

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.