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Finding the Fourth Proportional to 245,506.80, 338,547.48 and 173,867.76

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Solution

The fourth proportional to 245,506.80, 338,547.48 and 173,867.76 is: 239,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,506.80 : 338,547.48 = 173,867.76 : x
  2. Step 2: Convert to fraction form
    245,506.80/338,547.48 = 173,867.76/x
  3. Step 3: Cross multiply
    245,506.80x = 338,547.48 × 173,867.76
  4. Step 4: Simplify right side
    245,506.80x = 58,862,492,001.24
  5. Step 5: Solve for x
    x = 58,862,492,001.24/245,506.80
  6. Step 6: Final answer
    x = 239,759.11

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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.