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Finding the Fourth Proportional to 608,832.86, 840,278.46 and 350,660.16

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Solution

The fourth proportional to 608,832.86, 840,278.46 and 350,660.16 is: 483,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,832.86 : 840,278.46 = 350,660.16 : x
  2. Step 2: Convert to fraction form
    608,832.86/840,278.46 = 350,660.16/x
  3. Step 3: Cross multiply
    608,832.86x = 840,278.46 × 350,660.16
  4. Step 4: Simplify right side
    608,832.86x = 294,652,182,043.45
  5. Step 5: Solve for x
    x = 294,652,182,043.45/608,832.86
  6. Step 6: Final answer
    x = 483,962.35

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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.