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Finding the Fourth Proportional to 547,202.31, 755,146.66 and 302,203.59

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Solution

The fourth proportional to 547,202.31, 755,146.66 and 302,203.59 is: 417,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,202.31 : 755,146.66 = 302,203.59 : x
  2. Step 2: Convert to fraction form
    547,202.31/755,146.66 = 302,203.59/x
  3. Step 3: Cross multiply
    547,202.31x = 755,146.66 × 302,203.59
  4. Step 4: Simplify right side
    547,202.31x = 228,208,031,628.51
  5. Step 5: Solve for x
    x = 228,208,031,628.51/547,202.31
  6. Step 6: Final answer
    x = 417,045.08

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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.