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Finding the Fourth Proportional to 630,555.32, 945,806.48 and 293,480.04

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Solution

The fourth proportional to 630,555.32, 945,806.48 and 293,480.04 is: 440,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,555.32 : 945,806.48 = 293,480.04 : x
  2. Step 2: Convert to fraction form
    630,555.32/945,806.48 = 293,480.04/x
  3. Step 3: Cross multiply
    630,555.32x = 945,806.48 × 293,480.04
  4. Step 4: Simplify right side
    630,555.32x = 277,575,323,582.66
  5. Step 5: Solve for x
    x = 277,575,323,582.66/630,555.32
  6. Step 6: Final answer
    x = 440,207.73

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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.