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Finding the Fourth Proportional to 634,471.07, 875,779.45 and 567,210.58

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Solution

The fourth proportional to 634,471.07, 875,779.45 and 567,210.58 is: 782,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,471.07 : 875,779.45 = 567,210.58 : x
  2. Step 2: Convert to fraction form
    634,471.07/875,779.45 = 567,210.58/x
  3. Step 3: Cross multiply
    634,471.07x = 875,779.45 × 567,210.58
  4. Step 4: Simplify right side
    634,471.07x = 496,751,369,786.58
  5. Step 5: Solve for x
    x = 496,751,369,786.58/634,471.07
  6. Step 6: Final answer
    x = 782,937.78

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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.