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Finding the Fourth Proportional to 602,687.04, 831,705.51 and 330,759.34

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Solution

The fourth proportional to 602,687.04, 831,705.51 and 330,759.34 is: 456,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,687.04 : 831,705.51 = 330,759.34 : x
  2. Step 2: Convert to fraction form
    602,687.04/831,705.51 = 330,759.34/x
  3. Step 3: Cross multiply
    602,687.04x = 831,705.51 × 330,759.34
  4. Step 4: Simplify right side
    602,687.04x = 275,094,361,227.81
  5. Step 5: Solve for x
    x = 275,094,361,227.81/602,687.04
  6. Step 6: Final answer
    x = 456,446.45

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Double scale
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Similar ratio
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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.