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Finding the Fourth Proportional to 702,792.60, 969,842.04 and 380,500.08

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Solution

The fourth proportional to 702,792.60, 969,842.04 and 380,500.08 is: 525,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,792.60 : 969,842.04 = 380,500.08 : x
  2. Step 2: Convert to fraction form
    702,792.60/969,842.04 = 380,500.08/x
  3. Step 3: Cross multiply
    702,792.60x = 969,842.04 × 380,500.08
  4. Step 4: Simplify right side
    702,792.60x = 369,024,973,807.36
  5. Step 5: Solve for x
    x = 369,024,973,807.36/702,792.60
  6. Step 6: Final answer
    x = 525,083.75

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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.