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Finding the Fourth Proportional to 313,772.07, 470,608.56 and 260,804.28

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Solution

The fourth proportional to 313,772.07, 470,608.56 and 260,804.28 is: 391,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,772.07 : 470,608.56 = 260,804.28 : x
  2. Step 2: Convert to fraction form
    313,772.07/470,608.56 = 260,804.28/x
  3. Step 3: Cross multiply
    313,772.07x = 470,608.56 × 260,804.28
  4. Step 4: Simplify right side
    313,772.07x = 122,736,726,652.64
  5. Step 5: Solve for x
    x = 122,736,726,652.64/313,772.07
  6. Step 6: Final answer
    x = 391,165.24

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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.