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Finding the Fourth Proportional to 567,080.04, 782,568.02 and 308,956.19

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Solution

The fourth proportional to 567,080.04, 782,568.02 and 308,956.19 is: 426,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,080.04 : 782,568.02 = 308,956.19 : x
  2. Step 2: Convert to fraction form
    567,080.04/782,568.02 = 308,956.19/x
  3. Step 3: Cross multiply
    567,080.04x = 782,568.02 × 308,956.19
  4. Step 4: Simplify right side
    567,080.04x = 241,779,228,417.42
  5. Step 5: Solve for x
    x = 241,779,228,417.42/567,080.04
  6. Step 6: Final answer
    x = 426,358.21

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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.