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Finding the Fourth Proportional to 593,282.10, 818,503.31 and 438,604.80

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Solution

The fourth proportional to 593,282.10, 818,503.31 and 438,604.80 is: 605,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,282.10 : 818,503.31 = 438,604.80 : x
  2. Step 2: Convert to fraction form
    593,282.10/818,503.31 = 438,604.80/x
  3. Step 3: Cross multiply
    593,282.10x = 818,503.31 × 438,604.80
  4. Step 4: Simplify right side
    593,282.10x = 358,999,478,388.86
  5. Step 5: Solve for x
    x = 358,999,478,388.86/593,282.10
  6. Step 6: Final answer
    x = 605,107.55

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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.