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Finding the Fourth Proportional to 532,044.42, 734,198.48 and 290,320.98

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Solution

The fourth proportional to 532,044.42, 734,198.48 and 290,320.98 is: 400,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,044.42 : 734,198.48 = 290,320.98 : x
  2. Step 2: Convert to fraction form
    532,044.42/734,198.48 = 290,320.98/x
  3. Step 3: Cross multiply
    532,044.42x = 734,198.48 × 290,320.98
  4. Step 4: Simplify right side
    532,044.42x = 213,153,222,228.11
  5. Step 5: Solve for x
    x = 213,153,222,228.11/532,044.42
  6. Step 6: Final answer
    x = 400,630.50

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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.