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Finding the Fourth Proportional to 431,018.47, 594,762.91 and 240,049.63

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Solution

The fourth proportional to 431,018.47, 594,762.91 and 240,049.63 is: 331,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,018.47 : 594,762.91 = 240,049.63 : x
  2. Step 2: Convert to fraction form
    431,018.47/594,762.91 = 240,049.63/x
  3. Step 3: Cross multiply
    431,018.47x = 594,762.91 × 240,049.63
  4. Step 4: Simplify right side
    431,018.47x = 142,772,616,483.22
  5. Step 5: Solve for x
    x = 142,772,616,483.22/431,018.47
  6. Step 6: Final answer
    x = 331,244.78

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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.