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Finding the Fourth Proportional to 282,863.52, 390,328.47 and 166,558.59

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Solution

The fourth proportional to 282,863.52, 390,328.47 and 166,558.59 is: 229,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,863.52 : 390,328.47 = 166,558.59 : x
  2. Step 2: Convert to fraction form
    282,863.52/390,328.47 = 166,558.59/x
  3. Step 3: Cross multiply
    282,863.52x = 390,328.47 × 166,558.59
  4. Step 4: Simplify right side
    282,863.52x = 65,012,559,600.06
  5. Step 5: Solve for x
    x = 65,012,559,600.06/282,863.52
  6. Step 6: Final answer
    x = 229,837.20

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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.