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Finding the Fourth Proportional to 702,913.54, 970,025.33 and 380,623.62

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Solution

The fourth proportional to 702,913.54, 970,025.33 and 380,623.62 is: 525,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,913.54 : 970,025.33 = 380,623.62 : x
  2. Step 2: Convert to fraction form
    702,913.54/970,025.33 = 380,623.62/x
  3. Step 3: Cross multiply
    702,913.54x = 970,025.33 × 380,623.62
  4. Step 4: Simplify right side
    702,913.54x = 369,214,552,596.30
  5. Step 5: Solve for x
    x = 369,214,552,596.30/702,913.54
  6. Step 6: Final answer
    x = 525,263.11

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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.