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Finding the Fourth Proportional to 630,450.32, 945,683.68 and 209,726.18

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Solution

The fourth proportional to 630,450.32, 945,683.68 and 209,726.18 is: 314,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,450.32 : 945,683.68 = 209,726.18 : x
  2. Step 2: Convert to fraction form
    630,450.32/945,683.68 = 209,726.18/x
  3. Step 3: Cross multiply
    630,450.32x = 945,683.68 × 209,726.18
  4. Step 4: Simplify right side
    630,450.32x = 198,334,625,694.74
  5. Step 5: Solve for x
    x = 198,334,625,694.74/630,450.32
  6. Step 6: Final answer
    x = 314,592.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.