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Finding the Fourth Proportional to 671,680.96, 926,620.15 and 453,819.51

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Solution

The fourth proportional to 671,680.96, 926,620.15 and 453,819.51 is: 626,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,680.96 : 926,620.15 = 453,819.51 : x
  2. Step 2: Convert to fraction form
    671,680.96/926,620.15 = 453,819.51/x
  3. Step 3: Cross multiply
    671,680.96x = 926,620.15 × 453,819.51
  4. Step 4: Simplify right side
    671,680.96x = 420,518,302,429.13
  5. Step 5: Solve for x
    x = 420,518,302,429.13/671,680.96
  6. Step 6: Final answer
    x = 626,068.52

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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.