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Finding the Fourth Proportional to 888,061.70, 1,330,999.05 and 603,751.70

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Solution

The fourth proportional to 888,061.70, 1,330,999.05 and 603,751.70 is: 904,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,061.70 : 1,330,999.05 = 603,751.70 : x
  2. Step 2: Convert to fraction form
    888,061.70/1,330,999.05 = 603,751.70/x
  3. Step 3: Cross multiply
    888,061.70x = 1,330,999.05 × 603,751.70
  4. Step 4: Simplify right side
    888,061.70x = 803,592,939,135.89
  5. Step 5: Solve for x
    x = 803,592,939,135.89/888,061.70
  6. Step 6: Final answer
    x = 904,884.13

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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.