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Finding the Fourth Proportional to 282,979.77, 424,323.59 and 83,274.23

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Solution

The fourth proportional to 282,979.77, 424,323.59 and 83,274.23 is: 124,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,979.77 : 424,323.59 = 83,274.23 : x
  2. Step 2: Convert to fraction form
    282,979.77/424,323.59 = 83,274.23/x
  3. Step 3: Cross multiply
    282,979.77x = 424,323.59 × 83,274.23
  4. Step 4: Simplify right side
    282,979.77x = 35,335,217,690.10
  5. Step 5: Solve for x
    x = 35,335,217,690.10/282,979.77
  6. Step 6: Final answer
    x = 124,868.35

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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.