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Finding the Fourth Proportional to 356,555.96, 534,838.26 and 119,897.72

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Solution

The fourth proportional to 356,555.96, 534,838.26 and 119,897.72 is: 179,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,555.96 : 534,838.26 = 119,897.72 : x
  2. Step 2: Convert to fraction form
    356,555.96/534,838.26 = 119,897.72/x
  3. Step 3: Cross multiply
    356,555.96x = 534,838.26 × 119,897.72
  4. Step 4: Simplify right side
    356,555.96x = 64,125,887,942.77
  5. Step 5: Solve for x
    x = 64,125,887,942.77/356,555.96
  6. Step 6: Final answer
    x = 179,848.03

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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.