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Finding the Fourth Proportional to 1,170,072, 1,614,699.36 and 633,528

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Solution

The fourth proportional to 1,170,072, 1,614,699.36 and 633,528 is: 874,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072 : 1,614,699.36 = 633,528 : x
  2. Step 2: Convert to fraction form
    1,170,072/1,614,699.36 = 633,528/x
  3. Step 3: Cross multiply
    1,170,072x = 1,614,699.36 × 633,528
  4. Step 4: Simplify right side
    1,170,072x = 1,022,957,256,142.08
  5. Step 5: Solve for x
    x = 1,022,957,256,142.08/1,170,072
  6. Step 6: Final answer
    x = 874,268.64

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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.