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Finding the Fourth Proportional to 370,809.30, 555,641.46 and 250,394.33

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Solution

The fourth proportional to 370,809.30, 555,641.46 and 250,394.33 is: 375,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,809.30 : 555,641.46 = 250,394.33 : x
  2. Step 2: Convert to fraction form
    370,809.30/555,641.46 = 250,394.33/x
  3. Step 3: Cross multiply
    370,809.30x = 555,641.46 × 250,394.33
  4. Step 4: Simplify right side
    370,809.30x = 139,129,467,066.74
  5. Step 5: Solve for x
    x = 139,129,467,066.74/370,809.30
  6. Step 6: Final answer
    x = 375,204.90

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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.