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Finding the Fourth Proportional to 597,872,201.20, 896,808,301.80 and 561,521,636.80

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Solution

The fourth proportional to 597,872,201.20, 896,808,301.80 and 561,521,636.80 is: 842,282,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,872,201.20 : 896,808,301.80 = 561,521,636.80 : x
  2. Step 2: Convert to fraction form
    597,872,201.20/896,808,301.80 = 561,521,636.80/x
  3. Step 3: Cross multiply
    597,872,201.20x = 896,808,301.80 × 561,521,636.80
  4. Step 4: Simplify right side
    597,872,201.20x = 503,577,265,522,564,288
  5. Step 5: Solve for x
    x = 503,577,265,522,564,288/597,872,201.20
  6. Step 6: Final answer
    x = 842,282,455.20

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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.