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Finding the Fourth Proportional to 976,733.40, 1,369,293 and 976,733.40

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Solution

The fourth proportional to 976,733.40, 1,369,293 and 976,733.40 is: 1,369,293

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,733.40 : 1,369,293 = 976,733.40 : x
  2. Step 2: Convert to fraction form
    976,733.40/1,369,293 = 976,733.40/x
  3. Step 3: Cross multiply
    976,733.40x = 1,369,293 × 976,733.40
  4. Step 4: Simplify right side
    976,733.40x = 1,337,434,207,486.20
  5. Step 5: Solve for x
    x = 1,337,434,207,486.20/976,733.40
  6. Step 6: Final answer
    x = 1,369,293

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.