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Finding the Fourth Proportional to 630,672,980.88, 864,007,541.88 and 607,093,582.80

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Solution

The fourth proportional to 630,672,980.88, 864,007,541.88 and 607,093,582.80 is: 831,704,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,672,980.88 : 864,007,541.88 = 607,093,582.80 : x
  2. Step 2: Convert to fraction form
    630,672,980.88/864,007,541.88 = 607,093,582.80/x
  3. Step 3: Cross multiply
    630,672,980.88x = 864,007,541.88 × 607,093,582.80
  4. Step 4: Simplify right side
    630,672,980.88x = 524,533,434,166,150,208
  5. Step 5: Solve for x
    x = 524,533,434,166,150,208/630,672,980.88
  6. Step 6: Final answer
    x = 831,704,306.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.