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Finding the Fourth Proportional to 624,641,007.54, 931,377,060.03 and 607,479,490.77

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Solution

The fourth proportional to 624,641,007.54, 931,377,060.03 and 607,479,490.77 is: 905,788,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,641,007.54 : 931,377,060.03 = 607,479,490.77 : x
  2. Step 2: Convert to fraction form
    624,641,007.54/931,377,060.03 = 607,479,490.77/x
  3. Step 3: Cross multiply
    624,641,007.54x = 931,377,060.03 × 607,479,490.77
  4. Step 4: Simplify right side
    624,641,007.54x = 565,792,462,141,884,096
  5. Step 5: Solve for x
    x = 565,792,462,141,884,096/624,641,007.54
  6. Step 6: Final answer
    x = 905,788,213.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.