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Finding the Fourth Proportional to 474,368.22, 654,643.63 and 259,508.29

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Solution

The fourth proportional to 474,368.22, 654,643.63 and 259,508.29 is: 358,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,368.22 : 654,643.63 = 259,508.29 : x
  2. Step 2: Convert to fraction form
    474,368.22/654,643.63 = 259,508.29/x
  3. Step 3: Cross multiply
    474,368.22x = 654,643.63 × 259,508.29
  4. Step 4: Simplify right side
    474,368.22x = 169,885,448,980.69
  5. Step 5: Solve for x
    x = 169,885,448,980.69/474,368.22
  6. Step 6: Final answer
    x = 358,129.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.