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Finding the Fourth Proportional to 573,060,609.20, 859,590,913.80 and 397,708,698.80

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Solution

The fourth proportional to 573,060,609.20, 859,590,913.80 and 397,708,698.80 is: 596,563,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,060,609.20 : 859,590,913.80 = 397,708,698.80 : x
  2. Step 2: Convert to fraction form
    573,060,609.20/859,590,913.80 = 397,708,698.80/x
  3. Step 3: Cross multiply
    573,060,609.20x = 859,590,913.80 × 397,708,698.80
  4. Step 4: Simplify right side
    573,060,609.20x = 341,866,783,827,700,928
  5. Step 5: Solve for x
    x = 341,866,783,827,700,928/573,060,609.20
  6. Step 6: Final answer
    x = 596,563,048.20

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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.