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Finding the Fourth Proportional to 1,226,484, 1,839,726 and 340,020

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Solution

The fourth proportional to 1,226,484, 1,839,726 and 340,020 is: 510,030

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,484 : 1,839,726 = 340,020 : x
  2. Step 2: Convert to fraction form
    1,226,484/1,839,726 = 340,020/x
  3. Step 3: Cross multiply
    1,226,484x = 1,839,726 × 340,020
  4. Step 4: Simplify right side
    1,226,484x = 625,543,634,520
  5. Step 5: Solve for x
    x = 625,543,634,520/1,226,484
  6. Step 6: Final answer
    x = 510,030

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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.