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Finding the Fourth Proportional to 1,262,085, 1,893,127.51 and 375,621

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Solution

The fourth proportional to 1,262,085, 1,893,127.51 and 375,621 is: 563,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,085 : 1,893,127.51 = 375,621 : x
  2. Step 2: Convert to fraction form
    1,262,085/1,893,127.51 = 375,621/x
  3. Step 3: Cross multiply
    1,262,085x = 1,893,127.51 × 375,621
  4. Step 4: Simplify right side
    1,262,085x = 711,098,446,555.61
  5. Step 5: Solve for x
    x = 711,098,446,555.61/1,262,085
  6. Step 6: Final answer
    x = 563,431.50

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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.