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Finding the Fourth Proportional to 702,966.96, 970,095.33 and 380,677.61

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Solution

The fourth proportional to 702,966.96, 970,095.33 and 380,677.61 is: 525,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,966.96 : 970,095.33 = 380,677.61 : x
  2. Step 2: Convert to fraction form
    702,966.96/970,095.33 = 380,677.61/x
  3. Step 3: Cross multiply
    702,966.96x = 970,095.33 × 380,677.61
  4. Step 4: Simplify right side
    702,966.96x = 369,293,566,846.09
  5. Step 5: Solve for x
    x = 369,293,566,846.09/702,966.96
  6. Step 6: Final answer
    x = 525,335.60

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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.