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Finding the Fourth Proportional to 529,678.32, 731,116.17 and 360,010.86

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Solution

The fourth proportional to 529,678.32, 731,116.17 and 360,010.86 is: 496,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,678.32 : 731,116.17 = 360,010.86 : x
  2. Step 2: Convert to fraction form
    529,678.32/731,116.17 = 360,010.86/x
  3. Step 3: Cross multiply
    529,678.32x = 731,116.17 × 360,010.86
  4. Step 4: Simplify right side
    529,678.32x = 263,209,761,121.61
  5. Step 5: Solve for x
    x = 263,209,761,121.61/529,678.32
  6. Step 6: Final answer
    x = 496,923.80

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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.