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Finding the Fourth Proportional to 555,166.14, 832,624.59 and 255,358.74

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Solution

The fourth proportional to 555,166.14, 832,624.59 and 255,358.74 is: 382,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,166.14 : 832,624.59 = 255,358.74 : x
  2. Step 2: Convert to fraction form
    555,166.14/832,624.59 = 255,358.74/x
  3. Step 3: Cross multiply
    555,166.14x = 832,624.59 × 255,358.74
  4. Step 4: Simplify right side
    555,166.14x = 212,617,966,195.42
  5. Step 5: Solve for x
    x = 212,617,966,195.42/555,166.14
  6. Step 6: Final answer
    x = 382,980.79

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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.