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Finding the Fourth Proportional to 469,666.98, 648,141.82 and 254,808.81

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Solution

The fourth proportional to 469,666.98, 648,141.82 and 254,808.81 is: 351,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,666.98 : 648,141.82 = 254,808.81 : x
  2. Step 2: Convert to fraction form
    469,666.98/648,141.82 = 254,808.81/x
  3. Step 3: Cross multiply
    469,666.98x = 648,141.82 × 254,808.81
  4. Step 4: Simplify right side
    469,666.98x = 165,152,245,228.41
  5. Step 5: Solve for x
    x = 165,152,245,228.41/469,666.98
  6. Step 6: Final answer
    x = 351,636.91

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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.