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Finding the Fourth Proportional to 444,000.30, 666,000.45 and 144,509.10

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Solution

The fourth proportional to 444,000.30, 666,000.45 and 144,509.10 is: 216,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,000.30 : 666,000.45 = 144,509.10 : x
  2. Step 2: Convert to fraction form
    444,000.30/666,000.45 = 144,509.10/x
  3. Step 3: Cross multiply
    444,000.30x = 666,000.45 × 144,509.10
  4. Step 4: Simplify right side
    444,000.30x = 96,243,125,629.10
  5. Step 5: Solve for x
    x = 96,243,125,629.10/444,000.30
  6. Step 6: Final answer
    x = 216,763.65

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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.