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Finding the Fourth Proportional to 555,555.18, 833,168.40 and 235,703.01

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Solution

The fourth proportional to 555,555.18, 833,168.40 and 235,703.01 is: 353,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,555.18 : 833,168.40 = 235,703.01 : x
  2. Step 2: Convert to fraction form
    555,555.18/833,168.40 = 235,703.01/x
  3. Step 3: Cross multiply
    555,555.18x = 833,168.40 × 235,703.01
  4. Step 4: Simplify right side
    555,555.18x = 196,380,303,946.12
  5. Step 5: Solve for x
    x = 196,380,303,946.12/555,555.18
  6. Step 6: Final answer
    x = 353,484.79

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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.