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Finding the Fourth Proportional to 309,068.40, 463,669.80 and 176,012.40

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Solution

The fourth proportional to 309,068.40, 463,669.80 and 176,012.40 is: 264,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,068.40 : 463,669.80 = 176,012.40 : x
  2. Step 2: Convert to fraction form
    309,068.40/463,669.80 = 176,012.40/x
  3. Step 3: Cross multiply
    309,068.40x = 463,669.80 × 176,012.40
  4. Step 4: Simplify right side
    309,068.40x = 81,611,634,305.52
  5. Step 5: Solve for x
    x = 81,611,634,305.52/309,068.40
  6. Step 6: Final answer
    x = 264,056.87

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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.