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Finding the Fourth Proportional to 730,338, 1,095,492.42 and 330,904.32

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Solution

The fourth proportional to 730,338, 1,095,492.42 and 330,904.32 is: 496,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,338 : 1,095,492.42 = 330,904.32 : x
  2. Step 2: Convert to fraction form
    730,338/1,095,492.42 = 330,904.32/x
  3. Step 3: Cross multiply
    730,338x = 1,095,492.42 × 330,904.32
  4. Step 4: Simplify right side
    730,338x = 362,503,174,305.25
  5. Step 5: Solve for x
    x = 362,503,174,305.25/730,338
  6. Step 6: Final answer
    x = 496,349.87

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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.