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Finding the Fourth Proportional to 1,602,795.06, 2,211,860.72 and 867,757.01

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Solution

The fourth proportional to 1,602,795.06, 2,211,860.72 and 867,757.01 is: 1,197,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,795.06 : 2,211,860.72 = 867,757.01 : x
  2. Step 2: Convert to fraction form
    1,602,795.06/2,211,860.72 = 867,757.01/x
  3. Step 3: Cross multiply
    1,602,795.06x = 2,211,860.72 × 867,757.01
  4. Step 4: Simplify right side
    1,602,795.06x = 1,919,357,637,588.94
  5. Step 5: Solve for x
    x = 1,919,357,637,588.94/1,602,795.06
  6. Step 6: Final answer
    x = 1,197,506.58

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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.