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Finding the Fourth Proportional to 440,004.53, 607,206.50 and 238,800.53

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Solution

The fourth proportional to 440,004.53, 607,206.50 and 238,800.53 is: 329,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,004.53 : 607,206.50 = 238,800.53 : x
  2. Step 2: Convert to fraction form
    440,004.53/607,206.50 = 238,800.53/x
  3. Step 3: Cross multiply
    440,004.53x = 607,206.50 × 238,800.53
  4. Step 4: Simplify right side
    440,004.53x = 145,001,231,307.43
  5. Step 5: Solve for x
    x = 145,001,231,307.43/440,004.53
  6. Step 6: Final answer
    x = 329,544.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.