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Finding the Fourth Proportional to 737,901.64, 1,018,324.74 and 451,416.52

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Solution

The fourth proportional to 737,901.64, 1,018,324.74 and 451,416.52 is: 622,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,901.64 : 1,018,324.74 = 451,416.52 : x
  2. Step 2: Convert to fraction form
    737,901.64/1,018,324.74 = 451,416.52/x
  3. Step 3: Cross multiply
    737,901.64x = 1,018,324.74 × 451,416.52
  4. Step 4: Simplify right side
    737,901.64x = 459,688,610,360.71
  5. Step 5: Solve for x
    x = 459,688,610,360.71/737,901.64
  6. Step 6: Final answer
    x = 622,967.32

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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.