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Finding the Fourth Proportional to 444,376.60, 666,564.90 and 355,803.10

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Solution

The fourth proportional to 444,376.60, 666,564.90 and 355,803.10 is: 533,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,376.60 : 666,564.90 = 355,803.10 : x
  2. Step 2: Convert to fraction form
    444,376.60/666,564.90 = 355,803.10/x
  3. Step 3: Cross multiply
    444,376.60x = 666,564.90 × 355,803.10
  4. Step 4: Simplify right side
    444,376.60x = 237,165,857,771.19
  5. Step 5: Solve for x
    x = 237,165,857,771.19/444,376.60
  6. Step 6: Final answer
    x = 533,704.65

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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.