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Finding the Fourth Proportional to 704,746.62, 972,550.98 and 382,456.77

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Solution

The fourth proportional to 704,746.62, 972,550.98 and 382,456.77 is: 527,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,746.62 : 972,550.98 = 382,456.77 : x
  2. Step 2: Convert to fraction form
    704,746.62/972,550.98 = 382,456.77/x
  3. Step 3: Cross multiply
    704,746.62x = 972,550.98 × 382,456.77
  4. Step 4: Simplify right side
    704,746.62x = 371,958,706,471.14
  5. Step 5: Solve for x
    x = 371,958,706,471.14/704,746.62
  6. Step 6: Final answer
    x = 527,790.69

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1.5x scale

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.