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Finding the Fourth Proportional to 555,394.01, 833,119.55 and 156,065.93

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Solution

The fourth proportional to 555,394.01, 833,119.55 and 156,065.93 is: 234,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,394.01 : 833,119.55 = 156,065.93 : x
  2. Step 2: Convert to fraction form
    555,394.01/833,119.55 = 156,065.93/x
  3. Step 3: Cross multiply
    555,394.01x = 833,119.55 × 156,065.93
  4. Step 4: Simplify right side
    555,394.01x = 130,021,572,426.00
  5. Step 5: Solve for x
    x = 130,021,572,426.00/555,394.01
  6. Step 6: Final answer
    x = 234,106.91

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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.