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Finding the Fourth Proportional to 702,967.07, 970,095.08 and 380,677.52

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Solution

The fourth proportional to 702,967.07, 970,095.08 and 380,677.52 is: 525,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,967.07 : 970,095.08 = 380,677.52 : x
  2. Step 2: Convert to fraction form
    702,967.07/970,095.08 = 380,677.52/x
  3. Step 3: Cross multiply
    702,967.07x = 970,095.08 × 380,677.52
  4. Step 4: Simplify right side
    702,967.07x = 369,293,389,218.60
  5. Step 5: Solve for x
    x = 369,293,389,218.60/702,967.07
  6. Step 6: Final answer
    x = 525,335.26

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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.