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Finding the Fourth Proportional to 450,498.61, 621,688.33 and 246,549.41

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Solution

The fourth proportional to 450,498.61, 621,688.33 and 246,549.41 is: 340,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,498.61 : 621,688.33 = 246,549.41 : x
  2. Step 2: Convert to fraction form
    450,498.61/621,688.33 = 246,549.41/x
  3. Step 3: Cross multiply
    450,498.61x = 621,688.33 × 246,549.41
  4. Step 4: Simplify right side
    450,498.61x = 153,276,892,680.34
  5. Step 5: Solve for x
    x = 153,276,892,680.34/450,498.61
  6. Step 6: Final answer
    x = 340,238.32

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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.