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Finding the Fourth Proportional to 608,875.53, 840,227.58 and 336,954.90

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Solution

The fourth proportional to 608,875.53, 840,227.58 and 336,954.90 is: 464,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,875.53 : 840,227.58 = 336,954.90 : x
  2. Step 2: Convert to fraction form
    608,875.53/840,227.58 = 336,954.90/x
  3. Step 3: Cross multiply
    608,875.53x = 840,227.58 × 336,954.90
  4. Step 4: Simplify right side
    608,875.53x = 283,118,800,196.14
  5. Step 5: Solve for x
    x = 283,118,800,196.14/608,875.53
  6. Step 6: Final answer
    x = 464,986.33

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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.