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Finding the Fourth Proportional to 493,875.36, 740,304.54 and 194,234.46

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Solution

The fourth proportional to 493,875.36, 740,304.54 and 194,234.46 is: 291,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,875.36 : 740,304.54 = 194,234.46 : x
  2. Step 2: Convert to fraction form
    493,875.36/740,304.54 = 194,234.46/x
  3. Step 3: Cross multiply
    493,875.36x = 740,304.54 × 194,234.46
  4. Step 4: Simplify right side
    493,875.36x = 143,792,652,562.45
  5. Step 5: Solve for x
    x = 143,792,652,562.45/493,875.36
  6. Step 6: Final answer
    x = 291,151.70

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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.