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Finding the Fourth Proportional to 557,415.76, 836,066.68 and 152,643.96

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Solution

The fourth proportional to 557,415.76, 836,066.68 and 152,643.96 is: 228,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,415.76 : 836,066.68 = 152,643.96 : x
  2. Step 2: Convert to fraction form
    557,415.76/836,066.68 = 152,643.96/x
  3. Step 3: Cross multiply
    557,415.76x = 836,066.68 × 152,643.96
  4. Step 4: Simplify right side
    557,415.76x = 127,620,528,859.25
  5. Step 5: Solve for x
    x = 127,620,528,859.25/557,415.76
  6. Step 6: Final answer
    x = 228,950.34

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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.