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Finding the Fourth Proportional to 608,999.04, 840,420.40 and 337,085.84

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Solution

The fourth proportional to 608,999.04, 840,420.40 and 337,085.84 is: 465,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999.04 : 840,420.40 = 337,085.84 : x
  2. Step 2: Convert to fraction form
    608,999.04/840,420.40 = 337,085.84/x
  3. Step 3: Cross multiply
    608,999.04x = 840,420.40 × 337,085.84
  4. Step 4: Simplify right side
    608,999.04x = 283,293,816,487.14
  5. Step 5: Solve for x
    x = 283,293,816,487.14/608,999.04
  6. Step 6: Final answer
    x = 465,179.41

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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.