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Finding the Fourth Proportional to 524,663,407.20, 786,995,110.80 and 517,010,656.80

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Solution

The fourth proportional to 524,663,407.20, 786,995,110.80 and 517,010,656.80 is: 775,515,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,663,407.20 : 786,995,110.80 = 517,010,656.80 : x
  2. Step 2: Convert to fraction form
    524,663,407.20/786,995,110.80 = 517,010,656.80/x
  3. Step 3: Cross multiply
    524,663,407.20x = 786,995,110.80 × 517,010,656.80
  4. Step 4: Simplify right side
    524,663,407.20x = 406,884,859,133,096,768
  5. Step 5: Solve for x
    x = 406,884,859,133,096,768/524,663,407.20
  6. Step 6: Final answer
    x = 775,515,985.20

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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.