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Finding the Fourth Proportional to 1,166,700, 1,750,057.28 and 325,259.04

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Solution

The fourth proportional to 1,166,700, 1,750,057.28 and 325,259.04 is: 487,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,700 : 1,750,057.28 = 325,259.04 : x
  2. Step 2: Convert to fraction form
    1,166,700/1,750,057.28 = 325,259.04/x
  3. Step 3: Cross multiply
    1,166,700x = 1,750,057.28 × 325,259.04
  4. Step 4: Simplify right side
    1,166,700x = 569,221,950,837.81
  5. Step 5: Solve for x
    x = 569,221,950,837.81/1,166,700
  6. Step 6: Final answer
    x = 487,890.59

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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.