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Finding the Fourth Proportional to 511,416.64, 768,806.66 and 474,423.30

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Solution

The fourth proportional to 511,416.64, 768,806.66 and 474,423.30 is: 713,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,416.64 : 768,806.66 = 474,423.30 : x
  2. Step 2: Convert to fraction form
    511,416.64/768,806.66 = 474,423.30/x
  3. Step 3: Cross multiply
    511,416.64x = 768,806.66 × 474,423.30
  4. Step 4: Simplify right side
    511,416.64x = 364,739,792,699.18
  5. Step 5: Solve for x
    x = 364,739,792,699.18/511,416.64
  6. Step 6: Final answer
    x = 713,195.00

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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.