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Finding the Fourth Proportional to 1,698.17, 2,547.51 and 602.28

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Solution

The fourth proportional to 1,698.17, 2,547.51 and 602.28 is: 903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.17 : 2,547.51 = 602.28 : x
  2. Step 2: Convert to fraction form
    1,698.17/2,547.51 = 602.28/x
  3. Step 3: Cross multiply
    1,698.17x = 2,547.51 × 602.28
  4. Step 4: Simplify right side
    1,698.17x = 1,534,314.51
  5. Step 5: Solve for x
    x = 1,534,314.51/1,698.17
  6. Step 6: Final answer
    x = 903.51

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1.5x scale

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.