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Finding the Fourth Proportional to 584,788.50, 807,010.56 and 316,516.50

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Solution

The fourth proportional to 584,788.50, 807,010.56 and 316,516.50 is: 436,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,788.50 : 807,010.56 = 316,516.50 : x
  2. Step 2: Convert to fraction form
    584,788.50/807,010.56 = 316,516.50/x
  3. Step 3: Cross multiply
    584,788.50x = 807,010.56 × 316,516.50
  4. Step 4: Simplify right side
    584,788.50x = 255,432,157,914.24
  5. Step 5: Solve for x
    x = 255,432,157,914.24/584,788.50
  6. Step 6: Final answer
    x = 436,794.09

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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.