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Finding the Fourth Proportional to 602,688.54, 831,707.58 and 330,760.83

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Solution

The fourth proportional to 602,688.54, 831,707.58 and 330,760.83 is: 456,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,688.54 : 831,707.58 = 330,760.83 : x
  2. Step 2: Convert to fraction form
    602,688.54/831,707.58 = 330,760.83/x
  3. Step 3: Cross multiply
    602,688.54x = 831,707.58 × 330,760.83
  4. Step 4: Simplify right side
    602,688.54x = 275,096,289,478.09
  5. Step 5: Solve for x
    x = 275,096,289,478.09/602,688.54
  6. Step 6: Final answer
    x = 456,448.52

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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.