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Finding the Fourth Proportional to 601,156.06, 830,157.33 and 386,668.48

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Solution

The fourth proportional to 601,156.06, 830,157.33 and 386,668.48 is: 533,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,156.06 : 830,157.33 = 386,668.48 : x
  2. Step 2: Convert to fraction form
    601,156.06/830,157.33 = 386,668.48/x
  3. Step 3: Cross multiply
    601,156.06x = 830,157.33 × 386,668.48
  4. Step 4: Simplify right side
    601,156.06x = 320,995,672,951.96
  5. Step 5: Solve for x
    x = 320,995,672,951.96/601,156.06
  6. Step 6: Final answer
    x = 533,963.96

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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.