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Finding the Fourth Proportional to 584,974, 877,461.12 and 210,996.96

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Solution

The fourth proportional to 584,974, 877,461.12 and 210,996.96 is: 316,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,974 : 877,461.12 = 210,996.96 : x
  2. Step 2: Convert to fraction form
    584,974/877,461.12 = 210,996.96/x
  3. Step 3: Cross multiply
    584,974x = 877,461.12 × 210,996.96
  4. Step 4: Simplify right side
    584,974x = 185,141,628,838.20
  5. Step 5: Solve for x
    x = 185,141,628,838.20/584,974
  6. Step 6: Final answer
    x = 316,495.48

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Similar ratio
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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.