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Finding the Fourth Proportional to 450,705.44, 676,148.37 and 166,397.72

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Solution

The fourth proportional to 450,705.44, 676,148.37 and 166,397.72 is: 249,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,705.44 : 676,148.37 = 166,397.72 : x
  2. Step 2: Convert to fraction form
    450,705.44/676,148.37 = 166,397.72/x
  3. Step 3: Cross multiply
    450,705.44x = 676,148.37 × 166,397.72
  4. Step 4: Simplify right side
    450,705.44x = 112,509,547,149.72
  5. Step 5: Solve for x
    x = 112,509,547,149.72/450,705.44
  6. Step 6: Final answer
    x = 249,629.88

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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.