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Finding the Fourth Proportional to 524,264,396.61, 723,502,244.43 and 286,122,620.87

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Solution

The fourth proportional to 524,264,396.61, 723,502,244.43 and 286,122,620.87 is: 394,858,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,264,396.61 : 723,502,244.43 = 286,122,620.87 : x
  2. Step 2: Convert to fraction form
    524,264,396.61/723,502,244.43 = 286,122,620.87/x
  3. Step 3: Cross multiply
    524,264,396.61x = 723,502,244.43 × 286,122,620.87
  4. Step 4: Simplify right side
    524,264,396.61x = 207,010,358,378,021,440
  5. Step 5: Solve for x
    x = 207,010,358,378,021,440/524,264,396.61
  6. Step 6: Final answer
    x = 394,858,700.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.