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Finding the Fourth Proportional to 803,487, 1,205,568.44 and 500,134.76

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Solution

The fourth proportional to 803,487, 1,205,568.44 and 500,134.76 is: 750,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,487 : 1,205,568.44 = 500,134.76 : x
  2. Step 2: Convert to fraction form
    803,487/1,205,568.44 = 500,134.76/x
  3. Step 3: Cross multiply
    803,487x = 1,205,568.44 × 500,134.76
  4. Step 4: Simplify right side
    803,487x = 602,946,673,874.46
  5. Step 5: Solve for x
    x = 602,946,673,874.46/803,487
  6. Step 6: Final answer
    x = 750,412.48

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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.