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Finding the Fourth Proportional to 608,883.66, 840,261.08 and 336,970.30

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Solution

The fourth proportional to 608,883.66, 840,261.08 and 336,970.30 is: 465,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,883.66 : 840,261.08 = 336,970.30 : x
  2. Step 2: Convert to fraction form
    608,883.66/840,261.08 = 336,970.30/x
  3. Step 3: Cross multiply
    608,883.66x = 840,261.08 × 336,970.30
  4. Step 4: Simplify right side
    608,883.66x = 283,143,030,412.56
  5. Step 5: Solve for x
    x = 283,143,030,412.56/608,883.66
  6. Step 6: Final answer
    x = 465,019.92

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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.