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Finding the Fourth Proportional to 575,474.40, 863,460.36 and 308,923.64

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Solution

The fourth proportional to 575,474.40, 863,460.36 and 308,923.64 is: 463,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,474.40 : 863,460.36 = 308,923.64 : x
  2. Step 2: Convert to fraction form
    575,474.40/863,460.36 = 308,923.64/x
  3. Step 3: Cross multiply
    575,474.40x = 863,460.36 × 308,923.64
  4. Step 4: Simplify right side
    575,474.40x = 266,743,317,406.91
  5. Step 5: Solve for x
    x = 266,743,317,406.91/575,474.40
  6. Step 6: Final answer
    x = 463,519.00

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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.