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Finding the Fourth Proportional to 655,225.64, 904,209.53 and 368,745.72

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Solution

The fourth proportional to 655,225.64, 904,209.53 and 368,745.72 is: 508,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,225.64 : 904,209.53 = 368,745.72 : x
  2. Step 2: Convert to fraction form
    655,225.64/904,209.53 = 368,745.72/x
  3. Step 3: Cross multiply
    655,225.64x = 904,209.53 × 368,745.72
  4. Step 4: Simplify right side
    655,225.64x = 333,423,394,587.51
  5. Step 5: Solve for x
    x = 333,423,394,587.51/655,225.64
  6. Step 6: Final answer
    x = 508,868.06

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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.