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Finding the Fourth Proportional to 373,088.84, 514,857.67 and 207,515.69

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Solution

The fourth proportional to 373,088.84, 514,857.67 and 207,515.69 is: 286,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,088.84 : 514,857.67 = 207,515.69 : x
  2. Step 2: Convert to fraction form
    373,088.84/514,857.67 = 207,515.69/x
  3. Step 3: Cross multiply
    373,088.84x = 514,857.67 × 207,515.69
  4. Step 4: Simplify right side
    373,088.84x = 106,841,043,354.70
  5. Step 5: Solve for x
    x = 106,841,043,354.70/373,088.84
  6. Step 6: Final answer
    x = 286,368.91

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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.