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Finding the Fourth Proportional to 575,424.70, 863,137.05 and 148,959.70

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Solution

The fourth proportional to 575,424.70, 863,137.05 and 148,959.70 is: 223,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424.70 : 863,137.05 = 148,959.70 : x
  2. Step 2: Convert to fraction form
    575,424.70/863,137.05 = 148,959.70/x
  3. Step 3: Cross multiply
    575,424.70x = 863,137.05 × 148,959.70
  4. Step 4: Simplify right side
    575,424.70x = 128,572,636,026.89
  5. Step 5: Solve for x
    x = 128,572,636,026.89/575,424.70
  6. Step 6: Final answer
    x = 223,439.55

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Double scale
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Similar ratio
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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.