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Finding the Fourth Proportional to 369,250.61, 509,370.55 and 254,331.61

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Solution

The fourth proportional to 369,250.61, 509,370.55 and 254,331.61 is: 350,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,250.61 : 509,370.55 = 254,331.61 : x
  2. Step 2: Convert to fraction form
    369,250.61/509,370.55 = 254,331.61/x
  3. Step 3: Cross multiply
    369,250.61x = 509,370.55 × 254,331.61
  4. Step 4: Simplify right side
    369,250.61x = 129,549,030,158.83
  5. Step 5: Solve for x
    x = 129,549,030,158.83/369,250.61
  6. Step 6: Final answer
    x = 350,843.11

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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.