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Finding the Fourth Proportional to 1,698.23, 2,547.28 and 602.71

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Solution

The fourth proportional to 1,698.23, 2,547.28 and 602.71 is: 904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.23 : 2,547.28 = 602.71 : x
  2. Step 2: Convert to fraction form
    1,698.23/2,547.28 = 602.71/x
  3. Step 3: Cross multiply
    1,698.23x = 2,547.28 × 602.71
  4. Step 4: Simplify right side
    1,698.23x = 1,535,265.51
  5. Step 5: Solve for x
    x = 1,535,265.51/1,698.23
  6. Step 6: Final answer
    x = 904.04

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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.