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Finding the Fourth Proportional to 450,587.66, 621,810.50 and 246,636.76

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Solution

The fourth proportional to 450,587.66, 621,810.50 and 246,636.76 is: 340,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,587.66 : 621,810.50 = 246,636.76 : x
  2. Step 2: Convert to fraction form
    450,587.66/621,810.50 = 246,636.76/x
  3. Step 3: Cross multiply
    450,587.66x = 621,810.50 × 246,636.76
  4. Step 4: Simplify right side
    450,587.66x = 153,361,324,266.27
  5. Step 5: Solve for x
    x = 153,361,324,266.27/450,587.66
  6. Step 6: Final answer
    x = 340,358.47

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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.