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Finding the Fourth Proportional to 894,594.60, 1,234,550.34 and 486,698.76

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Solution

The fourth proportional to 894,594.60, 1,234,550.34 and 486,698.76 is: 671,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,594.60 : 1,234,550.34 = 486,698.76 : x
  2. Step 2: Convert to fraction form
    894,594.60/1,234,550.34 = 486,698.76/x
  3. Step 3: Cross multiply
    894,594.60x = 1,234,550.34 × 486,698.76
  4. Step 4: Simplify right side
    894,594.60x = 600,854,119,635.58
  5. Step 5: Solve for x
    x = 600,854,119,635.58/894,594.60
  6. Step 6: Final answer
    x = 671,649.62

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Double scale
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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.