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Finding the Fourth Proportional to 556,192.67, 767,264.20 and 351,899.53

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Solution

The fourth proportional to 556,192.67, 767,264.20 and 351,899.53 is: 485,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,192.67 : 767,264.20 = 351,899.53 : x
  2. Step 2: Convert to fraction form
    556,192.67/767,264.20 = 351,899.53/x
  3. Step 3: Cross multiply
    556,192.67x = 767,264.20 × 351,899.53
  4. Step 4: Simplify right side
    556,192.67x = 269,999,908,567.92
  5. Step 5: Solve for x
    x = 269,999,908,567.92/556,192.67
  6. Step 6: Final answer
    x = 485,443.13

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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.