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Finding the Fourth Proportional to 1,170,469.95, 1,755,704.93 and 904,749.45

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Solution

The fourth proportional to 1,170,469.95, 1,755,704.93 and 904,749.45 is: 1,357,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,469.95 : 1,755,704.93 = 904,749.45 : x
  2. Step 2: Convert to fraction form
    1,170,469.95/1,755,704.93 = 904,749.45/x
  3. Step 3: Cross multiply
    1,170,469.95x = 1,755,704.93 × 904,749.45
  4. Step 4: Simplify right side
    1,170,469.95x = 1,588,473,065,256.04
  5. Step 5: Solve for x
    x = 1,588,473,065,256.04/1,170,469.95
  6. Step 6: Final answer
    x = 1,357,124.18

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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.