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Finding the Fourth Proportional to 370,173.42, 555,481.32 and 340,058.42

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Solution

The fourth proportional to 370,173.42, 555,481.32 and 340,058.42 is: 510,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,173.42 : 555,481.32 = 340,058.42 : x
  2. Step 2: Convert to fraction form
    370,173.42/555,481.32 = 340,058.42/x
  3. Step 3: Cross multiply
    370,173.42x = 555,481.32 × 340,058.42
  4. Step 4: Simplify right side
    370,173.42x = 188,896,100,018.71
  5. Step 5: Solve for x
    x = 188,896,100,018.71/370,173.42
  6. Step 6: Final answer
    x = 510,290.83

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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.