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Finding the Fourth Proportional to 704,922.34, 972,793.58 and 382,632.40

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Solution

The fourth proportional to 704,922.34, 972,793.58 and 382,632.40 is: 528,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,922.34 : 972,793.58 = 382,632.40 : x
  2. Step 2: Convert to fraction form
    704,922.34/972,793.58 = 382,632.40/x
  3. Step 3: Cross multiply
    704,922.34x = 972,793.58 × 382,632.40
  4. Step 4: Simplify right side
    704,922.34x = 372,222,342,219.99
  5. Step 5: Solve for x
    x = 372,222,342,219.99/704,922.34
  6. Step 6: Final answer
    x = 528,033.12

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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.