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Finding the Fourth Proportional to 556,198.40, 833,798.64 and 201,128.96

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Solution

The fourth proportional to 556,198.40, 833,798.64 and 201,128.96 is: 301,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,198.40 : 833,798.64 = 201,128.96 : x
  2. Step 2: Convert to fraction form
    556,198.40/833,798.64 = 201,128.96/x
  3. Step 3: Cross multiply
    556,198.40x = 833,798.64 × 201,128.96
  4. Step 4: Simplify right side
    556,198.40x = 167,701,053,312.61
  5. Step 5: Solve for x
    x = 167,701,053,312.61/556,198.40
  6. Step 6: Final answer
    x = 301,513.01

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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.