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Finding the Fourth Proportional to 568,222.98, 784,442.54 and 415,089.24

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Solution

The fourth proportional to 568,222.98, 784,442.54 and 415,089.24 is: 573,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,222.98 : 784,442.54 = 415,089.24 : x
  2. Step 2: Convert to fraction form
    568,222.98/784,442.54 = 415,089.24/x
  3. Step 3: Cross multiply
    568,222.98x = 784,442.54 × 415,089.24
  4. Step 4: Simplify right side
    568,222.98x = 325,613,655,676.82
  5. Step 5: Solve for x
    x = 325,613,655,676.82/568,222.98
  6. Step 6: Final answer
    x = 573,038.52

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1.5x scale

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.