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Finding the Fourth Proportional to 908,480.64, 1,253,687.04 and 506,064

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Solution

The fourth proportional to 908,480.64, 1,253,687.04 and 506,064 is: 698,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,480.64 : 1,253,687.04 = 506,064 : x
  2. Step 2: Convert to fraction form
    908,480.64/1,253,687.04 = 506,064/x
  3. Step 3: Cross multiply
    908,480.64x = 1,253,687.04 × 506,064
  4. Step 4: Simplify right side
    908,480.64x = 634,445,878,210.56
  5. Step 5: Solve for x
    x = 634,445,878,210.56/908,480.64
  6. Step 6: Final answer
    x = 698,359.27

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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.