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Finding the Fourth Proportional to 524,816.58, 724,270.18 and 295,388.72

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Solution

The fourth proportional to 524,816.58, 724,270.18 and 295,388.72 is: 407,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,816.58 : 724,270.18 = 295,388.72 : x
  2. Step 2: Convert to fraction form
    524,816.58/724,270.18 = 295,388.72/x
  3. Step 3: Cross multiply
    524,816.58x = 724,270.18 × 295,388.72
  4. Step 4: Simplify right side
    524,816.58x = 213,941,244,388.43
  5. Step 5: Solve for x
    x = 213,941,244,388.43/524,816.58
  6. Step 6: Final answer
    x = 407,649.55

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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.