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Finding the Fourth Proportional to 602,608.68, 831,572.10 and 330,669.72

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Solution

The fourth proportional to 602,608.68, 831,572.10 and 330,669.72 is: 456,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,608.68 : 831,572.10 = 330,669.72 : x
  2. Step 2: Convert to fraction form
    602,608.68/831,572.10 = 330,669.72/x
  3. Step 3: Cross multiply
    602,608.68x = 831,572.10 × 330,669.72
  4. Step 4: Simplify right side
    602,608.68x = 274,975,713,466.81
  5. Step 5: Solve for x
    x = 274,975,713,466.81/602,608.68
  6. Step 6: Final answer
    x = 456,308.92

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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.