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Finding the Fourth Proportional to 703,312.32, 970,550.76 and 412,919.04

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Solution

The fourth proportional to 703,312.32, 970,550.76 and 412,919.04 is: 569,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,312.32 : 970,550.76 = 412,919.04 : x
  2. Step 2: Convert to fraction form
    703,312.32/970,550.76 = 412,919.04/x
  3. Step 3: Cross multiply
    703,312.32x = 970,550.76 × 412,919.04
  4. Step 4: Simplify right side
    703,312.32x = 400,758,888,090.47
  5. Step 5: Solve for x
    x = 400,758,888,090.47/703,312.32
  6. Step 6: Final answer
    x = 569,816.39

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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.