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Finding the Fourth Proportional to 477,403.74, 658,804.02 and 262,543.78

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Solution

The fourth proportional to 477,403.74, 658,804.02 and 262,543.78 is: 362,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,403.74 : 658,804.02 = 262,543.78 : x
  2. Step 2: Convert to fraction form
    477,403.74/658,804.02 = 262,543.78/x
  3. Step 3: Cross multiply
    477,403.74x = 658,804.02 × 262,543.78
  4. Step 4: Simplify right side
    477,403.74x = 172,964,897,528.96
  5. Step 5: Solve for x
    x = 172,964,897,528.96/477,403.74
  6. Step 6: Final answer
    x = 362,303.19

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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.