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Finding the Fourth Proportional to 532,031.95, 734,184.44 and 290,309.33

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Solution

The fourth proportional to 532,031.95, 734,184.44 and 290,309.33 is: 400,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,031.95 : 734,184.44 = 290,309.33 : x
  2. Step 2: Convert to fraction form
    532,031.95/734,184.44 = 290,309.33/x
  3. Step 3: Cross multiply
    532,031.95x = 734,184.44 × 290,309.33
  4. Step 4: Simplify right side
    532,031.95x = 213,140,592,472.80
  5. Step 5: Solve for x
    x = 213,140,592,472.80/532,031.95
  6. Step 6: Final answer
    x = 400,616.16

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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.