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Finding the Fourth Proportional to 530,274.24, 731,778.24 and 291,810.24

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Solution

The fourth proportional to 530,274.24, 731,778.24 and 291,810.24 is: 402,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,274.24 : 731,778.24 = 291,810.24 : x
  2. Step 2: Convert to fraction form
    530,274.24/731,778.24 = 291,810.24/x
  3. Step 3: Cross multiply
    530,274.24x = 731,778.24 × 291,810.24
  4. Step 4: Simplify right side
    530,274.24x = 213,540,383,841.18
  5. Step 5: Solve for x
    x = 213,540,383,841.18/530,274.24
  6. Step 6: Final answer
    x = 402,698.01

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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.