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Finding the Fourth Proportional to 704,565.75, 972,272.37 and 382,263.51

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Solution

The fourth proportional to 704,565.75, 972,272.37 and 382,263.51 is: 527,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,565.75 : 972,272.37 = 382,263.51 : x
  2. Step 2: Convert to fraction form
    704,565.75/972,272.37 = 382,263.51/x
  3. Step 3: Cross multiply
    704,565.75x = 972,272.37 × 382,263.51
  4. Step 4: Simplify right side
    704,565.75x = 371,664,248,832.22
  5. Step 5: Solve for x
    x = 371,664,248,832.22/704,565.75
  6. Step 6: Final answer
    x = 527,508.25

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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.