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Finding the Fourth Proportional to 459,553.02, 634,495.59 and 338,708.22

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Solution

The fourth proportional to 459,553.02, 634,495.59 and 338,708.22 is: 467,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,553.02 : 634,495.59 = 338,708.22 : x
  2. Step 2: Convert to fraction form
    459,553.02/634,495.59 = 338,708.22/x
  3. Step 3: Cross multiply
    459,553.02x = 634,495.59 × 338,708.22
  4. Step 4: Simplify right side
    459,553.02x = 214,908,871,886.75
  5. Step 5: Solve for x
    x = 214,908,871,886.75/459,553.02
  6. Step 6: Final answer
    x = 467,647.61

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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.