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Finding the Fourth Proportional to 448,094.53, 671,776.98 and 208,359.43

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Solution

The fourth proportional to 448,094.53, 671,776.98 and 208,359.43 is: 312,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,094.53 : 671,776.98 = 208,359.43 : x
  2. Step 2: Convert to fraction form
    448,094.53/671,776.98 = 208,359.43/x
  3. Step 3: Cross multiply
    448,094.53x = 671,776.98 × 208,359.43
  4. Step 4: Simplify right side
    448,094.53x = 139,971,068,639.92
  5. Step 5: Solve for x
    x = 139,971,068,639.92/448,094.53
  6. Step 6: Final answer
    x = 312,369.51

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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.