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Finding the Fourth Proportional to 437,420.28, 599,703.14 and 429,448.67

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Solution

The fourth proportional to 437,420.28, 599,703.14 and 429,448.67 is: 588,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,420.28 : 599,703.14 = 429,448.67 : x
  2. Step 2: Convert to fraction form
    437,420.28/599,703.14 = 429,448.67/x
  3. Step 3: Cross multiply
    437,420.28x = 599,703.14 × 429,448.67
  4. Step 4: Simplify right side
    437,420.28x = 257,541,715,867.82
  5. Step 5: Solve for x
    x = 257,541,715,867.82/437,420.28
  6. Step 6: Final answer
    x = 588,774.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.