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Finding the Fourth Proportional to 476,636.36, 714,953.50 and 299,267.91

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Solution

The fourth proportional to 476,636.36, 714,953.50 and 299,267.91 is: 448,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,636.36 : 714,953.50 = 299,267.91 : x
  2. Step 2: Convert to fraction form
    476,636.36/714,953.50 = 299,267.91/x
  3. Step 3: Cross multiply
    476,636.36x = 714,953.50 × 299,267.91
  4. Step 4: Simplify right side
    476,636.36x = 213,962,638,944.02
  5. Step 5: Solve for x
    x = 213,962,638,944.02/476,636.36
  6. Step 6: Final answer
    x = 448,901.22

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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.