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Finding the Fourth Proportional to 618,112.81, 927,435.57 and 333,746.92

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Solution

The fourth proportional to 618,112.81, 927,435.57 and 333,746.92 is: 500,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,112.81 : 927,435.57 = 333,746.92 : x
  2. Step 2: Convert to fraction form
    618,112.81/927,435.57 = 333,746.92/x
  3. Step 3: Cross multiply
    618,112.81x = 927,435.57 × 333,746.92
  4. Step 4: Simplify right side
    618,112.81x = 309,528,764,985.94
  5. Step 5: Solve for x
    x = 309,528,764,985.94/618,112.81
  6. Step 6: Final answer
    x = 500,764.20

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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.