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Finding the Fourth Proportional to 374,590.63, 561,792.50 and 146,932.50

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Solution

The fourth proportional to 374,590.63, 561,792.50 and 146,932.50 is: 220,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,590.63 : 561,792.50 = 146,932.50 : x
  2. Step 2: Convert to fraction form
    374,590.63/561,792.50 = 146,932.50/x
  3. Step 3: Cross multiply
    374,590.63x = 561,792.50 × 146,932.50
  4. Step 4: Simplify right side
    374,590.63x = 82,545,576,506.25
  5. Step 5: Solve for x
    x = 82,545,576,506.25/374,590.63
  6. Step 6: Final answer
    x = 220,362.10

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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.