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Finding the Fourth Proportional to 291,482.52, 402,246.68 and 168,998.64

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Solution

The fourth proportional to 291,482.52, 402,246.68 and 168,998.64 is: 233,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,482.52 : 402,246.68 = 168,998.64 : x
  2. Step 2: Convert to fraction form
    291,482.52/402,246.68 = 168,998.64/x
  3. Step 3: Cross multiply
    291,482.52x = 402,246.68 × 168,998.64
  4. Step 4: Simplify right side
    291,482.52x = 67,979,139,511.10
  5. Step 5: Solve for x
    x = 67,979,139,511.10/291,482.52
  6. Step 6: Final answer
    x = 233,218.58

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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.