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Finding the Fourth Proportional to 555,234.04, 832,835.94 and 155,878.12

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Solution

The fourth proportional to 555,234.04, 832,835.94 and 155,878.12 is: 233,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,234.04 : 832,835.94 = 155,878.12 : x
  2. Step 2: Convert to fraction form
    555,234.04/832,835.94 = 155,878.12/x
  3. Step 3: Cross multiply
    555,234.04x = 832,835.94 × 155,878.12
  4. Step 4: Simplify right side
    555,234.04x = 129,820,900,595.63
  5. Step 5: Solve for x
    x = 129,820,900,595.63/555,234.04
  6. Step 6: Final answer
    x = 233,812.94

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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.