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Finding the Fourth Proportional to 655,947.27, 904,897.93 and 383,848.27

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Solution

The fourth proportional to 655,947.27, 904,897.93 and 383,848.27 is: 529,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,947.27 : 904,897.93 = 383,848.27 : x
  2. Step 2: Convert to fraction form
    655,947.27/904,897.93 = 383,848.27/x
  3. Step 3: Cross multiply
    655,947.27x = 904,897.93 × 383,848.27
  4. Step 4: Simplify right side
    655,947.27x = 347,343,504,957.08
  5. Step 5: Solve for x
    x = 347,343,504,957.08/655,947.27
  6. Step 6: Final answer
    x = 529,529.61

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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.