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Finding the Fourth Proportional to 340,546.58, 469,948.54 and 187,599.08

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Solution

The fourth proportional to 340,546.58, 469,948.54 and 187,599.08 is: 258,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,546.58 : 469,948.54 = 187,599.08 : x
  2. Step 2: Convert to fraction form
    340,546.58/469,948.54 = 187,599.08/x
  3. Step 3: Cross multiply
    340,546.58x = 469,948.54 × 187,599.08
  4. Step 4: Simplify right side
    340,546.58x = 88,161,913,751.34
  5. Step 5: Solve for x
    x = 88,161,913,751.34/340,546.58
  6. Step 6: Final answer
    x = 258,883.57

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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.