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Finding the Fourth Proportional to 603,019.36, 904,390.89 and 359,929

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Solution

The fourth proportional to 603,019.36, 904,390.89 and 359,929 is: 539,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,019.36 : 904,390.89 = 359,929 : x
  2. Step 2: Convert to fraction form
    603,019.36/904,390.89 = 359,929/x
  3. Step 3: Cross multiply
    603,019.36x = 904,390.89 × 359,929
  4. Step 4: Simplify right side
    603,019.36x = 325,516,508,646.81
  5. Step 5: Solve for x
    x = 325,516,508,646.81/603,019.36
  6. Step 6: Final answer
    x = 539,811.04

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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.