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Finding the Fourth Proportional to 897,336, 1,238,279.94 and 534,751.56

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Solution

The fourth proportional to 897,336, 1,238,279.94 and 534,751.56 is: 737,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,336 : 1,238,279.94 = 534,751.56 : x
  2. Step 2: Convert to fraction form
    897,336/1,238,279.94 = 534,751.56/x
  3. Step 3: Cross multiply
    897,336x = 1,238,279.94 × 534,751.56
  4. Step 4: Simplify right side
    897,336x = 662,172,129,631.71
  5. Step 5: Solve for x
    x = 662,172,129,631.71/897,336
  6. Step 6: Final answer
    x = 737,931.09

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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.