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Finding the Fourth Proportional to 602,444.16, 831,388.32 and 330,523.68

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Solution

The fourth proportional to 602,444.16, 831,388.32 and 330,523.68 is: 456,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,444.16 : 831,388.32 = 330,523.68 : x
  2. Step 2: Convert to fraction form
    602,444.16/831,388.32 = 330,523.68/x
  3. Step 3: Cross multiply
    602,444.16x = 831,388.32 × 330,523.68
  4. Step 4: Simplify right side
    602,444.16x = 274,793,527,035.42
  5. Step 5: Solve for x
    x = 274,793,527,035.42/602,444.16
  6. Step 6: Final answer
    x = 456,131.12

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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.