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Finding the Fourth Proportional to 293,187.30, 439,780.95 and 93,522.30

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Solution

The fourth proportional to 293,187.30, 439,780.95 and 93,522.30 is: 140,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,187.30 : 439,780.95 = 93,522.30 : x
  2. Step 2: Convert to fraction form
    293,187.30/439,780.95 = 93,522.30/x
  3. Step 3: Cross multiply
    293,187.30x = 439,780.95 × 93,522.30
  4. Step 4: Simplify right side
    293,187.30x = 41,129,325,940.19
  5. Step 5: Solve for x
    x = 41,129,325,940.19/293,187.30
  6. Step 6: Final answer
    x = 140,283.45

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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.