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Finding the Fourth Proportional to 493,950.24, 740,925.36 and 119,970.72

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Solution

The fourth proportional to 493,950.24, 740,925.36 and 119,970.72 is: 179,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,950.24 : 740,925.36 = 119,970.72 : x
  2. Step 2: Convert to fraction form
    493,950.24/740,925.36 = 119,970.72/x
  3. Step 3: Cross multiply
    493,950.24x = 740,925.36 × 119,970.72
  4. Step 4: Simplify right side
    493,950.24x = 88,889,348,905.46
  5. Step 5: Solve for x
    x = 88,889,348,905.46/493,950.24
  6. Step 6: Final answer
    x = 179,956.08

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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.