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Finding the Fourth Proportional to 704,802.95, 972,635.34 and 382,515.83

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Solution

The fourth proportional to 704,802.95, 972,635.34 and 382,515.83 is: 527,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,802.95 : 972,635.34 = 382,515.83 : x
  2. Step 2: Convert to fraction form
    704,802.95/972,635.34 = 382,515.83/x
  3. Step 3: Cross multiply
    704,802.95x = 972,635.34 × 382,515.83
  4. Step 4: Simplify right side
    704,802.95x = 372,048,409,504.26
  5. Step 5: Solve for x
    x = 372,048,409,504.26/704,802.95
  6. Step 6: Final answer
    x = 527,875.79

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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.