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Finding the Fourth Proportional to 630,555.56, 945,806.88 and 293,480.26

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Solution

The fourth proportional to 630,555.56, 945,806.88 and 293,480.26 is: 440,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,555.56 : 945,806.88 = 293,480.26 : x
  2. Step 2: Convert to fraction form
    630,555.56/945,806.88 = 293,480.26/x
  3. Step 3: Cross multiply
    630,555.56x = 945,806.88 × 293,480.26
  4. Step 4: Simplify right side
    630,555.56x = 277,575,649,052.19
  5. Step 5: Solve for x
    x = 277,575,649,052.19/630,555.56
  6. Step 6: Final answer
    x = 440,208.07

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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.