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Finding the Fourth Proportional to 1,169,731.10, 1,754,596.65 and 1,010,298.80

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Solution

The fourth proportional to 1,169,731.10, 1,754,596.65 and 1,010,298.80 is: 1,515,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,731.10 : 1,754,596.65 = 1,010,298.80 : x
  2. Step 2: Convert to fraction form
    1,169,731.10/1,754,596.65 = 1,010,298.80/x
  3. Step 3: Cross multiply
    1,169,731.10x = 1,754,596.65 × 1,010,298.80
  4. Step 4: Simplify right side
    1,169,731.10x = 1,772,666,889,979.02
  5. Step 5: Solve for x
    x = 1,772,666,889,979.02/1,169,731.10
  6. Step 6: Final answer
    x = 1,515,448.20

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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.