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Finding the Fourth Proportional to 605,875.65, 836,156.48 and 333,991.92

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Solution

The fourth proportional to 605,875.65, 836,156.48 and 333,991.92 is: 460,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,875.65 : 836,156.48 = 333,991.92 : x
  2. Step 2: Convert to fraction form
    605,875.65/836,156.48 = 333,991.92/x
  3. Step 3: Cross multiply
    605,875.65x = 836,156.48 × 333,991.92
  4. Step 4: Simplify right side
    605,875.65x = 279,269,506,505.68
  5. Step 5: Solve for x
    x = 279,269,506,505.68/605,875.65
  6. Step 6: Final answer
    x = 460,935.35

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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.