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Finding the Fourth Proportional to 369,425.08, 509,570.22 and 256,206.52

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Solution

The fourth proportional to 369,425.08, 509,570.22 and 256,206.52 is: 353,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,425.08 : 509,570.22 = 256,206.52 : x
  2. Step 2: Convert to fraction form
    369,425.08/509,570.22 = 256,206.52/x
  3. Step 3: Cross multiply
    369,425.08x = 509,570.22 × 256,206.52
  4. Step 4: Simplify right side
    369,425.08x = 130,555,212,761.83
  5. Step 5: Solve for x
    x = 130,555,212,761.83/369,425.08
  6. Step 6: Final answer
    x = 353,401.05

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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.