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Finding the Fourth Proportional to 355,582.67, 533,013.63 and 127,810.40

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Solution

The fourth proportional to 355,582.67, 533,013.63 and 127,810.40 is: 191,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,582.67 : 533,013.63 = 127,810.40 : x
  2. Step 2: Convert to fraction form
    355,582.67/533,013.63 = 127,810.40/x
  3. Step 3: Cross multiply
    355,582.67x = 533,013.63 × 127,810.40
  4. Step 4: Simplify right side
    355,582.67x = 68,124,682,590.68
  5. Step 5: Solve for x
    x = 68,124,682,590.68/355,582.67
  6. Step 6: Final answer
    x = 191,586.06

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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.