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Finding the Fourth Proportional to 532,040.60, 734,215.08 and 290,323.34

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Solution

The fourth proportional to 532,040.60, 734,215.08 and 290,323.34 is: 400,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,040.60 : 734,215.08 = 290,323.34 : x
  2. Step 2: Convert to fraction form
    532,040.60/734,215.08 = 290,323.34/x
  3. Step 3: Cross multiply
    532,040.60x = 734,215.08 × 290,323.34
  4. Step 4: Simplify right side
    532,040.60x = 213,159,774,474.91
  5. Step 5: Solve for x
    x = 213,159,774,474.91/532,040.60
  6. Step 6: Final answer
    x = 400,645.69

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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.