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Finding the Fourth Proportional to 322,746.30, 484,119.45 and 248,010.30

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Solution

The fourth proportional to 322,746.30, 484,119.45 and 248,010.30 is: 372,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,746.30 : 484,119.45 = 248,010.30 : x
  2. Step 2: Convert to fraction form
    322,746.30/484,119.45 = 248,010.30/x
  3. Step 3: Cross multiply
    322,746.30x = 484,119.45 × 248,010.30
  4. Step 4: Simplify right side
    322,746.30x = 120,066,610,030.34
  5. Step 5: Solve for x
    x = 120,066,610,030.34/322,746.30
  6. Step 6: Final answer
    x = 372,015.45

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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.