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Finding the Fourth Proportional to 594,455.80, 891,791.70 and 194,985.40

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Solution

The fourth proportional to 594,455.80, 891,791.70 and 194,985.40 is: 292,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,455.80 : 891,791.70 = 194,985.40 : x
  2. Step 2: Convert to fraction form
    594,455.80/891,791.70 = 194,985.40/x
  3. Step 3: Cross multiply
    594,455.80x = 891,791.70 × 194,985.40
  4. Step 4: Simplify right side
    594,455.80x = 173,886,361,341.18
  5. Step 5: Solve for x
    x = 173,886,361,341.18/594,455.80
  6. Step 6: Final answer
    x = 292,513.52

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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.