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Finding the Fourth Proportional to 547,533.89, 755,612.01 and 302,534.44

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Solution

The fourth proportional to 547,533.89, 755,612.01 and 302,534.44 is: 417,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,533.89 : 755,612.01 = 302,534.44 : x
  2. Step 2: Convert to fraction form
    547,533.89/755,612.01 = 302,534.44/x
  3. Step 3: Cross multiply
    547,533.89x = 755,612.01 × 302,534.44
  4. Step 4: Simplify right side
    547,533.89x = 228,598,653,279.09
  5. Step 5: Solve for x
    x = 228,598,653,279.09/547,533.89
  6. Step 6: Final answer
    x = 417,505.94

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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.