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Finding the Fourth Proportional to 282,447.51, 423,541.92 and 168,646.98

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Solution

The fourth proportional to 282,447.51, 423,541.92 and 168,646.98 is: 252,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,447.51 : 423,541.92 = 168,646.98 : x
  2. Step 2: Convert to fraction form
    282,447.51/423,541.92 = 168,646.98/x
  3. Step 3: Cross multiply
    282,447.51x = 423,541.92 × 168,646.98
  4. Step 4: Simplify right side
    282,447.51x = 71,429,065,711.40
  5. Step 5: Solve for x
    x = 71,429,065,711.40/282,447.51
  6. Step 6: Final answer
    x = 252,893.24

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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.