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Finding the Fourth Proportional to 646,894.60, 970,341.90 and 366,958.60

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Solution

The fourth proportional to 646,894.60, 970,341.90 and 366,958.60 is: 550,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,894.60 : 970,341.90 = 366,958.60 : x
  2. Step 2: Convert to fraction form
    646,894.60/970,341.90 = 366,958.60/x
  3. Step 3: Cross multiply
    646,894.60x = 970,341.90 × 366,958.60
  4. Step 4: Simplify right side
    646,894.60x = 356,075,305,145.34
  5. Step 5: Solve for x
    x = 356,075,305,145.34/646,894.60
  6. Step 6: Final answer
    x = 550,437.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.