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Finding the Fourth Proportional to 357,283.15, 493,032.20 and 212,094.97

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Solution

The fourth proportional to 357,283.15, 493,032.20 and 212,094.97 is: 292,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,283.15 : 493,032.20 = 212,094.97 : x
  2. Step 2: Convert to fraction form
    357,283.15/493,032.20 = 212,094.97/x
  3. Step 3: Cross multiply
    357,283.15x = 493,032.20 × 212,094.97
  4. Step 4: Simplify right side
    357,283.15x = 104,569,648,607.56
  5. Step 5: Solve for x
    x = 104,569,648,607.56/357,283.15
  6. Step 6: Final answer
    x = 292,680.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.