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Finding the Fourth Proportional to 584,970, 877,455.12 and 210,992.96

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Solution

The fourth proportional to 584,970, 877,455.12 and 210,992.96 is: 316,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,970 : 877,455.12 = 210,992.96 : x
  2. Step 2: Convert to fraction form
    584,970/877,455.12 = 210,992.96/x
  3. Step 3: Cross multiply
    584,970x = 877,455.12 × 210,992.96
  4. Step 4: Simplify right side
    584,970x = 185,136,853,035.96
  5. Step 5: Solve for x
    x = 185,136,853,035.96/584,970
  6. Step 6: Final answer
    x = 316,489.48

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1.5x scale

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.