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Finding the Fourth Proportional to 532,224.90, 734,477.22 and 290,514.42

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Solution

The fourth proportional to 532,224.90, 734,477.22 and 290,514.42 is: 400,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,224.90 : 734,477.22 = 290,514.42 : x
  2. Step 2: Convert to fraction form
    532,224.90/734,477.22 = 290,514.42/x
  3. Step 3: Cross multiply
    532,224.90x = 734,477.22 × 290,514.42
  4. Step 4: Simplify right side
    532,224.90x = 213,376,223,571.51
  5. Step 5: Solve for x
    x = 213,376,223,571.51/532,224.90
  6. Step 6: Final answer
    x = 400,913.64

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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.