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Finding the Fourth Proportional to 484,525.89, 727,971.44 and 457,669.53

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Solution

The fourth proportional to 484,525.89, 727,971.44 and 457,669.53 is: 687,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,525.89 : 727,971.44 = 457,669.53 : x
  2. Step 2: Convert to fraction form
    484,525.89/727,971.44 = 457,669.53/x
  3. Step 3: Cross multiply
    484,525.89x = 727,971.44 × 457,669.53
  4. Step 4: Simplify right side
    484,525.89x = 333,170,344,509.88
  5. Step 5: Solve for x
    x = 333,170,344,509.88/484,525.89
  6. Step 6: Final answer
    x = 687,621.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.