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Finding the Fourth Proportional to 405,923.50, 560,175.52 and 224,647.93

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Solution

The fourth proportional to 405,923.50, 560,175.52 and 224,647.93 is: 310,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,923.50 : 560,175.52 = 224,647.93 : x
  2. Step 2: Convert to fraction form
    405,923.50/560,175.52 = 224,647.93/x
  3. Step 3: Cross multiply
    405,923.50x = 560,175.52 × 224,647.93
  4. Step 4: Simplify right side
    405,923.50x = 125,842,271,566.29
  5. Step 5: Solve for x
    x = 125,842,271,566.29/405,923.50
  6. Step 6: Final answer
    x = 310,014.75

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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.