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Finding the Fourth Proportional to 555,477.51, 833,216.28 and 156,158.64

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Solution

The fourth proportional to 555,477.51, 833,216.28 and 156,158.64 is: 234,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,477.51 : 833,216.28 = 156,158.64 : x
  2. Step 2: Convert to fraction form
    555,477.51/833,216.28 = 156,158.64/x
  3. Step 3: Cross multiply
    555,477.51x = 833,216.28 × 156,158.64
  4. Step 4: Simplify right side
    555,477.51x = 130,113,921,110.66
  5. Step 5: Solve for x
    x = 130,113,921,110.66/555,477.51
  6. Step 6: Final answer
    x = 234,237.96

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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.