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Finding the Fourth Proportional to 544,417.66, 816,624.66 and 139,609.42

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Solution

The fourth proportional to 544,417.66, 816,624.66 and 139,609.42 is: 209,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,417.66 : 816,624.66 = 139,609.42 : x
  2. Step 2: Convert to fraction form
    544,417.66/816,624.66 = 139,609.42/x
  3. Step 3: Cross multiply
    544,417.66x = 816,624.66 × 139,609.42
  4. Step 4: Simplify right side
    544,417.66x = 114,008,497,823.13
  5. Step 5: Solve for x
    x = 114,008,497,823.13/544,417.66
  6. Step 6: Final answer
    x = 209,413.67

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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.