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Finding the Fourth Proportional to 250,274.35, 345,295.92 and 153,442.35

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Solution

The fourth proportional to 250,274.35, 345,295.92 and 153,442.35 is: 211,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,274.35 : 345,295.92 = 153,442.35 : x
  2. Step 2: Convert to fraction form
    250,274.35/345,295.92 = 153,442.35/x
  3. Step 3: Cross multiply
    250,274.35x = 345,295.92 × 153,442.35
  4. Step 4: Simplify right side
    250,274.35x = 52,983,016,643.00
  5. Step 5: Solve for x
    x = 52,983,016,643.00/250,274.35
  6. Step 6: Final answer
    x = 211,699.75

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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.