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Finding the Fourth Proportional to 459,465.01, 634,078.28 and 255,536.83

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Solution

The fourth proportional to 459,465.01, 634,078.28 and 255,536.83 is: 352,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,465.01 : 634,078.28 = 255,536.83 : x
  2. Step 2: Convert to fraction form
    459,465.01/634,078.28 = 255,536.83/x
  3. Step 3: Cross multiply
    459,465.01x = 634,078.28 × 255,536.83
  4. Step 4: Simplify right side
    459,465.01x = 162,030,350,070.41
  5. Step 5: Solve for x
    x = 162,030,350,070.41/459,465.01
  6. Step 6: Final answer
    x = 352,650.03

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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.