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Finding the Fourth Proportional to 1,041,172, 1,436,818.32 and 564,244

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Solution

The fourth proportional to 1,041,172, 1,436,818.32 and 564,244 is: 778,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,172 : 1,436,818.32 = 564,244 : x
  2. Step 2: Convert to fraction form
    1,041,172/1,436,818.32 = 564,244/x
  3. Step 3: Cross multiply
    1,041,172x = 1,436,818.32 × 564,244
  4. Step 4: Simplify right side
    1,041,172x = 810,716,116,150.08
  5. Step 5: Solve for x
    x = 810,716,116,150.08/1,041,172
  6. Step 6: Final answer
    x = 778,657.24

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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.