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Finding the Fourth Proportional to 602,602.73, 831,589.46 and 330,675.17

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Solution

The fourth proportional to 602,602.73, 831,589.46 and 330,675.17 is: 456,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,602.73 : 831,589.46 = 330,675.17 : x
  2. Step 2: Convert to fraction form
    602,602.73/831,589.46 = 330,675.17/x
  3. Step 3: Cross multiply
    602,602.73x = 831,589.46 × 330,675.17
  4. Step 4: Simplify right side
    602,602.73x = 274,985,986,055.71
  5. Step 5: Solve for x
    x = 274,985,986,055.71/602,602.73
  6. Step 6: Final answer
    x = 456,330.47

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Double scale
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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.