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Finding the Fourth Proportional to 405,969.66, 560,230.38 and 224,681.67

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Solution

The fourth proportional to 405,969.66, 560,230.38 and 224,681.67 is: 310,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,969.66 : 560,230.38 = 224,681.67 : x
  2. Step 2: Convert to fraction form
    405,969.66/560,230.38 = 224,681.67/x
  3. Step 3: Cross multiply
    405,969.66x = 560,230.38 × 224,681.67
  4. Step 4: Simplify right side
    405,969.66x = 125,873,497,363.14
  5. Step 5: Solve for x
    x = 125,873,497,363.14/405,969.66
  6. Step 6: Final answer
    x = 310,056.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.