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Finding the Fourth Proportional to 562,701,520.80, 844,052,281.20 and 347,710,672.80

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Solution

The fourth proportional to 562,701,520.80, 844,052,281.20 and 347,710,672.80 is: 521,566,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,701,520.80 : 844,052,281.20 = 347,710,672.80 : x
  2. Step 2: Convert to fraction form
    562,701,520.80/844,052,281.20 = 347,710,672.80/x
  3. Step 3: Cross multiply
    562,701,520.80x = 844,052,281.20 × 347,710,672.80
  4. Step 4: Simplify right side
    562,701,520.80x = 293,485,986,574,426,816
  5. Step 5: Solve for x
    x = 293,485,986,574,426,816/562,701,520.80
  6. Step 6: Final answer
    x = 521,566,009.20

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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.