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Finding the Fourth Proportional to 459,684.02, 634,368.78 and 252,955.16

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Solution

The fourth proportional to 459,684.02, 634,368.78 and 252,955.16 is: 349,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,684.02 : 634,368.78 = 252,955.16 : x
  2. Step 2: Convert to fraction form
    459,684.02/634,368.78 = 252,955.16/x
  3. Step 3: Cross multiply
    459,684.02x = 634,368.78 × 252,955.16
  4. Step 4: Simplify right side
    459,684.02x = 160,466,856,243.91
  5. Step 5: Solve for x
    x = 160,466,856,243.91/459,684.02
  6. Step 6: Final answer
    x = 349,080.78

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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.