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Finding the Fourth Proportional to 405,009.54, 607,624.80 and 177,263.73

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Solution

The fourth proportional to 405,009.54, 607,624.80 and 177,263.73 is: 265,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,009.54 : 607,624.80 = 177,263.73 : x
  2. Step 2: Convert to fraction form
    405,009.54/607,624.80 = 177,263.73/x
  3. Step 3: Cross multiply
    405,009.54x = 607,624.80 × 177,263.73
  4. Step 4: Simplify right side
    405,009.54x = 107,709,838,488.50
  5. Step 5: Solve for x
    x = 107,709,838,488.50/405,009.54
  6. Step 6: Final answer
    x = 265,943.95

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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.