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Finding the Fourth Proportional to 545,595.96, 818,393.94 and 208,670.84

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Solution

The fourth proportional to 545,595.96, 818,393.94 and 208,670.84 is: 313,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,595.96 : 818,393.94 = 208,670.84 : x
  2. Step 2: Convert to fraction form
    545,595.96/818,393.94 = 208,670.84/x
  3. Step 3: Cross multiply
    545,595.96x = 818,393.94 × 208,670.84
  4. Step 4: Simplify right side
    545,595.96x = 170,774,950,910.71
  5. Step 5: Solve for x
    x = 170,774,950,910.71/545,595.96
  6. Step 6: Final answer
    x = 313,006.26

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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.