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Finding the Fourth Proportional to 617,239.96, 926,026.34 and 257,291.19

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Solution

The fourth proportional to 617,239.96, 926,026.34 and 257,291.19 is: 386,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,239.96 : 926,026.34 = 257,291.19 : x
  2. Step 2: Convert to fraction form
    617,239.96/926,026.34 = 257,291.19/x
  3. Step 3: Cross multiply
    617,239.96x = 926,026.34 × 257,291.19
  4. Step 4: Simplify right side
    617,239.96x = 238,258,417,703.49
  5. Step 5: Solve for x
    x = 238,258,417,703.49/617,239.96
  6. Step 6: Final answer
    x = 386,006.15

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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.