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Finding the Fourth Proportional to 624,559.51, 861,841.92 and 352,693.54

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Solution

The fourth proportional to 624,559.51, 861,841.92 and 352,693.54 is: 486,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,559.51 : 861,841.92 = 352,693.54 : x
  2. Step 2: Convert to fraction form
    624,559.51/861,841.92 = 352,693.54/x
  3. Step 3: Cross multiply
    624,559.51x = 861,841.92 × 352,693.54
  4. Step 4: Simplify right side
    624,559.51x = 303,966,077,685.20
  5. Step 5: Solve for x
    x = 303,966,077,685.20/624,559.51
  6. Step 6: Final answer
    x = 486,688.73

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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.