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Finding the Fourth Proportional to 493,360.70, 740,041.05 and 119,383.70

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Solution

The fourth proportional to 493,360.70, 740,041.05 and 119,383.70 is: 179,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,360.70 : 740,041.05 = 119,383.70 : x
  2. Step 2: Convert to fraction form
    493,360.70/740,041.05 = 119,383.70/x
  3. Step 3: Cross multiply
    493,360.70x = 740,041.05 × 119,383.70
  4. Step 4: Simplify right side
    493,360.70x = 88,348,838,700.89
  5. Step 5: Solve for x
    x = 88,348,838,700.89/493,360.70
  6. Step 6: Final answer
    x = 179,075.55

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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.