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Finding the Fourth Proportional to 413,265.72, 620,001.54 and 117,777.72

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Solution

The fourth proportional to 413,265.72, 620,001.54 and 117,777.72 is: 176,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,265.72 : 620,001.54 = 117,777.72 : x
  2. Step 2: Convert to fraction form
    413,265.72/620,001.54 = 117,777.72/x
  3. Step 3: Cross multiply
    413,265.72x = 620,001.54 × 117,777.72
  4. Step 4: Simplify right side
    413,265.72x = 73,022,367,777.69
  5. Step 5: Solve for x
    x = 73,022,367,777.69/413,265.72
  6. Step 6: Final answer
    x = 176,695.92

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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.