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Finding the Fourth Proportional to 495,053.69, 683,175.40 and 268,699.19

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Solution

The fourth proportional to 495,053.69, 683,175.40 and 268,699.19 is: 370,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,053.69 : 683,175.40 = 268,699.19 : x
  2. Step 2: Convert to fraction form
    495,053.69/683,175.40 = 268,699.19/x
  3. Step 3: Cross multiply
    495,053.69x = 683,175.40 × 268,699.19
  4. Step 4: Simplify right side
    495,053.69x = 183,568,673,192.05
  5. Step 5: Solve for x
    x = 183,568,673,192.05/495,053.69
  6. Step 6: Final answer
    x = 370,805.59

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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.