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Finding the Fourth Proportional to 618,301.56, 927,444.97 and 348,450.06

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Solution

The fourth proportional to 618,301.56, 927,444.97 and 348,450.06 is: 522,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,301.56 : 927,444.97 = 348,450.06 : x
  2. Step 2: Convert to fraction form
    618,301.56/927,444.97 = 348,450.06/x
  3. Step 3: Cross multiply
    618,301.56x = 927,444.97 × 348,450.06
  4. Step 4: Simplify right side
    618,301.56x = 323,168,255,443.20
  5. Step 5: Solve for x
    x = 323,168,255,443.20/618,301.56
  6. Step 6: Final answer
    x = 522,670.94

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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.