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Finding the Fourth Proportional to 1,698.24, 2,547.36 and 602.59

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Solution

The fourth proportional to 1,698.24, 2,547.36 and 602.59 is: 903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.24 : 2,547.36 = 602.59 : x
  2. Step 2: Convert to fraction form
    1,698.24/2,547.36 = 602.59/x
  3. Step 3: Cross multiply
    1,698.24x = 2,547.36 × 602.59
  4. Step 4: Simplify right side
    1,698.24x = 1,535,013.66
  5. Step 5: Solve for x
    x = 1,535,013.66/1,698.24
  6. Step 6: Final answer
    x = 903.89

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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.