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Finding the Fourth Proportional to 524,346.21, 787,307.04 and 299,960.01

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Solution

The fourth proportional to 524,346.21, 787,307.04 and 299,960.01 is: 450,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,346.21 : 787,307.04 = 299,960.01 : x
  2. Step 2: Convert to fraction form
    524,346.21/787,307.04 = 299,960.01/x
  3. Step 3: Cross multiply
    524,346.21x = 787,307.04 × 299,960.01
  4. Step 4: Simplify right side
    524,346.21x = 236,160,627,591.47
  5. Step 5: Solve for x
    x = 236,160,627,591.47/524,346.21
  6. Step 6: Final answer
    x = 450,390.64

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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.