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Finding the Fourth Proportional to 524,611,024.50, 786,640,415.20 and 358,661,987.79

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Solution

The fourth proportional to 524,611,024.50, 786,640,415.20 and 358,661,987.79 is: 537,804,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,611,024.50 : 786,640,415.20 = 358,661,987.79 : x
  2. Step 2: Convert to fraction form
    524,611,024.50/786,640,415.20 = 358,661,987.79/x
  3. Step 3: Cross multiply
    524,611,024.50x = 786,640,415.20 × 358,661,987.79
  4. Step 4: Simplify right side
    524,611,024.50x = 282,138,014,995,397,824
  5. Step 5: Solve for x
    x = 282,138,014,995,397,824/524,611,024.50
  6. Step 6: Final answer
    x = 537,804,205.06

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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.