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Finding the Fourth Proportional to 238,304.74, 328,860.48 and 130,874.80

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Solution

The fourth proportional to 238,304.74, 328,860.48 and 130,874.80 is: 180,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,304.74 : 328,860.48 = 130,874.80 : x
  2. Step 2: Convert to fraction form
    238,304.74/328,860.48 = 130,874.80/x
  3. Step 3: Cross multiply
    238,304.74x = 328,860.48 × 130,874.80
  4. Step 4: Simplify right side
    238,304.74x = 43,039,549,547.90
  5. Step 5: Solve for x
    x = 43,039,549,547.90/238,304.74
  6. Step 6: Final answer
    x = 180,607.19

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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.