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Finding the Fourth Proportional to 704,795.76, 972,610.05 and 382,506.07

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Solution

The fourth proportional to 704,795.76, 972,610.05 and 382,506.07 is: 527,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,795.76 : 972,610.05 = 382,506.07 : x
  2. Step 2: Convert to fraction form
    704,795.76/972,610.05 = 382,506.07/x
  3. Step 3: Cross multiply
    704,795.76x = 972,610.05 × 382,506.07
  4. Step 4: Simplify right side
    704,795.76x = 372,029,247,868.00
  5. Step 5: Solve for x
    x = 372,029,247,868.00/704,795.76
  6. Step 6: Final answer
    x = 527,853.98

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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.