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Finding the Fourth Proportional to 536,875.75, 740,869.65 and 295,156.57

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Solution

The fourth proportional to 536,875.75, 740,869.65 and 295,156.57 is: 407,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,875.75 : 740,869.65 = 295,156.57 : x
  2. Step 2: Convert to fraction form
    536,875.75/740,869.65 = 295,156.57/x
  3. Step 3: Cross multiply
    536,875.75x = 740,869.65 × 295,156.57
  4. Step 4: Simplify right side
    536,875.75x = 218,672,544,711.10
  5. Step 5: Solve for x
    x = 218,672,544,711.10/536,875.75
  6. Step 6: Final answer
    x = 407,305.68

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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.