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Finding the Fourth Proportional to 603,695.80, 904,360.48 and 350,445.28

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Solution

The fourth proportional to 603,695.80, 904,360.48 and 350,445.28 is: 524,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,695.80 : 904,360.48 = 350,445.28 : x
  2. Step 2: Convert to fraction form
    603,695.80/904,360.48 = 350,445.28/x
  3. Step 3: Cross multiply
    603,695.80x = 904,360.48 × 350,445.28
  4. Step 4: Simplify right side
    603,695.80x = 316,928,861,634.53
  5. Step 5: Solve for x
    x = 316,928,861,634.53/603,695.80
  6. Step 6: Final answer
    x = 524,981.06

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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.