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Finding the Fourth Proportional to 624,045,793.20, 936,068,689.80 and 301,559,521.20

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Solution

The fourth proportional to 624,045,793.20, 936,068,689.80 and 301,559,521.20 is: 452,339,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,045,793.20 : 936,068,689.80 = 301,559,521.20 : x
  2. Step 2: Convert to fraction form
    624,045,793.20/936,068,689.80 = 301,559,521.20/x
  3. Step 3: Cross multiply
    624,045,793.20x = 936,068,689.80 × 301,559,521.20
  4. Step 4: Simplify right side
    624,045,793.20x = 282,280,425,906,399,296
  5. Step 5: Solve for x
    x = 282,280,425,906,399,296/624,045,793.20
  6. Step 6: Final answer
    x = 452,339,281.80

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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.