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Finding the Fourth Proportional to 1,037,066, 1,431,152.04 and 560,138

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Solution

The fourth proportional to 1,037,066, 1,431,152.04 and 560,138 is: 772,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,066 : 1,431,152.04 = 560,138 : x
  2. Step 2: Convert to fraction form
    1,037,066/1,431,152.04 = 560,138/x
  3. Step 3: Cross multiply
    1,037,066x = 1,431,152.04 × 560,138
  4. Step 4: Simplify right side
    1,037,066x = 801,642,641,381.52
  5. Step 5: Solve for x
    x = 801,642,641,381.52/1,037,066
  6. Step 6: Final answer
    x = 772,990.96

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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.