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Finding the Fourth Proportional to 356,864.12, 535,126.68 and 207,150.30

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Solution

The fourth proportional to 356,864.12, 535,126.68 and 207,150.30 is: 310,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,864.12 : 535,126.68 = 207,150.30 : x
  2. Step 2: Convert to fraction form
    356,864.12/535,126.68 = 207,150.30/x
  3. Step 3: Cross multiply
    356,864.12x = 535,126.68 × 207,150.30
  4. Step 4: Simplify right side
    356,864.12x = 110,851,652,300.00
  5. Step 5: Solve for x
    x = 110,851,652,300.00/356,864.12
  6. Step 6: Final answer
    x = 310,627.06

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1.5x scale

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.