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Finding the Fourth Proportional to 255,590.02, 383,384.96 and 68,601.52

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Solution

The fourth proportional to 255,590.02, 383,384.96 and 68,601.52 is: 102,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,590.02 : 383,384.96 = 68,601.52 : x
  2. Step 2: Convert to fraction form
    255,590.02/383,384.96 = 68,601.52/x
  3. Step 3: Cross multiply
    255,590.02x = 383,384.96 × 68,601.52
  4. Step 4: Simplify right side
    255,590.02x = 26,300,791,001.14
  5. Step 5: Solve for x
    x = 26,300,791,001.14/255,590.02
  6. Step 6: Final answer
    x = 102,902.26

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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.