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Finding the Fourth Proportional to 571,094.58, 788,098.74 and 316,443.54

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Solution

The fourth proportional to 571,094.58, 788,098.74 and 316,443.54 is: 436,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,094.58 : 788,098.74 = 316,443.54 : x
  2. Step 2: Convert to fraction form
    571,094.58/788,098.74 = 316,443.54/x
  3. Step 3: Cross multiply
    571,094.58x = 788,098.74 × 316,443.54
  4. Step 4: Simplify right side
    571,094.58x = 249,388,755,155.14
  5. Step 5: Solve for x
    x = 249,388,755,155.14/571,094.58
  6. Step 6: Final answer
    x = 436,685.56

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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.