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Finding the Fourth Proportional to 618,018.65, 927,372.42 and 333,703.19

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Solution

The fourth proportional to 618,018.65, 927,372.42 and 333,703.19 is: 500,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,018.65 : 927,372.42 = 333,703.19 : x
  2. Step 2: Convert to fraction form
    618,018.65/927,372.42 = 333,703.19/x
  3. Step 3: Cross multiply
    618,018.65x = 927,372.42 × 333,703.19
  4. Step 4: Simplify right side
    618,018.65x = 309,467,130,235.16
  5. Step 5: Solve for x
    x = 309,467,130,235.16/618,018.65
  6. Step 6: Final answer
    x = 500,740.77

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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.