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Finding the Fourth Proportional to 360,357.83, 497,278.58 and 213,278.03

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Solution

The fourth proportional to 360,357.83, 497,278.58 and 213,278.03 is: 294,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,357.83 : 497,278.58 = 213,278.03 : x
  2. Step 2: Convert to fraction form
    360,357.83/497,278.58 = 213,278.03/x
  3. Step 3: Cross multiply
    360,357.83x = 497,278.58 × 213,278.03
  4. Step 4: Simplify right side
    360,357.83x = 106,058,594,215.61
  5. Step 5: Solve for x
    x = 106,058,594,215.61/360,357.83
  6. Step 6: Final answer
    x = 294,314.67

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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.