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Finding the Fourth Proportional to 386,632.01, 533,551.06 and 214,575.94

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Solution

The fourth proportional to 386,632.01, 533,551.06 and 214,575.94 is: 296,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,632.01 : 533,551.06 = 214,575.94 : x
  2. Step 2: Convert to fraction form
    386,632.01/533,551.06 = 214,575.94/x
  3. Step 3: Cross multiply
    386,632.01x = 533,551.06 × 214,575.94
  4. Step 4: Simplify right side
    386,632.01x = 114,487,220,237.50
  5. Step 5: Solve for x
    x = 114,487,220,237.50/386,632.01
  6. Step 6: Final answer
    x = 296,114.18

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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.