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Finding the Fourth Proportional to 444,101.70, 666,152.55 and 257,477.70

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Solution

The fourth proportional to 444,101.70, 666,152.55 and 257,477.70 is: 386,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,101.70 : 666,152.55 = 257,477.70 : x
  2. Step 2: Convert to fraction form
    444,101.70/666,152.55 = 257,477.70/x
  3. Step 3: Cross multiply
    444,101.70x = 666,152.55 × 257,477.70
  4. Step 4: Simplify right side
    444,101.70x = 171,519,426,423.14
  5. Step 5: Solve for x
    x = 171,519,426,423.14/444,101.70
  6. Step 6: Final answer
    x = 386,216.55

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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.