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Finding the Fourth Proportional to 503,843,044.80, 755,764,567.20 and 213,038,529.60

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Solution

The fourth proportional to 503,843,044.80, 755,764,567.20 and 213,038,529.60 is: 319,557,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,843,044.80 : 755,764,567.20 = 213,038,529.60 : x
  2. Step 2: Convert to fraction form
    503,843,044.80/755,764,567.20 = 213,038,529.60/x
  3. Step 3: Cross multiply
    503,843,044.80x = 755,764,567.20 × 213,038,529.60
  4. Step 4: Simplify right side
    503,843,044.80x = 161,006,972,120,068,384
  5. Step 5: Solve for x
    x = 161,006,972,120,068,384/503,843,044.80
  6. Step 6: Final answer
    x = 319,557,794.40

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1.5x scale

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.