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Finding the Fourth Proportional to 1,178,526, 1,767,789 and 292,062

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Solution

The fourth proportional to 1,178,526, 1,767,789 and 292,062 is: 438,093

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,526 : 1,767,789 = 292,062 : x
  2. Step 2: Convert to fraction form
    1,178,526/1,767,789 = 292,062/x
  3. Step 3: Cross multiply
    1,178,526x = 1,767,789 × 292,062
  4. Step 4: Simplify right side
    1,178,526x = 516,303,990,918
  5. Step 5: Solve for x
    x = 516,303,990,918/1,178,526
  6. Step 6: Final answer
    x = 438,093

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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.