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Finding the Fourth Proportional to 495,053.16, 683,174.14 and 268,698.76

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Solution

The fourth proportional to 495,053.16, 683,174.14 and 268,698.76 is: 370,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,053.16 : 683,174.14 = 268,698.76 : x
  2. Step 2: Convert to fraction form
    495,053.16/683,174.14 = 268,698.76/x
  3. Step 3: Cross multiply
    495,053.16x = 683,174.14 × 268,698.76
  4. Step 4: Simplify right side
    495,053.16x = 183,568,044,282.07
  5. Step 5: Solve for x
    x = 183,568,044,282.07/495,053.16
  6. Step 6: Final answer
    x = 370,804.71

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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.