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Finding the Fourth Proportional to 572,875.44, 859,307.69 and 348,297.88

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Solution

The fourth proportional to 572,875.44, 859,307.69 and 348,297.88 is: 522,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,875.44 : 859,307.69 = 348,297.88 : x
  2. Step 2: Convert to fraction form
    572,875.44/859,307.69 = 348,297.88/x
  3. Step 3: Cross multiply
    572,875.44x = 859,307.69 × 348,297.88
  4. Step 4: Simplify right side
    572,875.44x = 299,295,040,656.67
  5. Step 5: Solve for x
    x = 299,295,040,656.67/572,875.44
  6. Step 6: Final answer
    x = 522,443.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.