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Finding the Fourth Proportional to 653,072.93, 901,142.72 and 366,537.66

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Solution

The fourth proportional to 653,072.93, 901,142.72 and 366,537.66 is: 505,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,072.93 : 901,142.72 = 366,537.66 : x
  2. Step 2: Convert to fraction form
    653,072.93/901,142.72 = 366,537.66/x
  3. Step 3: Cross multiply
    653,072.93x = 901,142.72 × 366,537.66
  4. Step 4: Simplify right side
    653,072.93x = 330,302,740,077.38
  5. Step 5: Solve for x
    x = 330,302,740,077.38/653,072.93
  6. Step 6: Final answer
    x = 505,767.01

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Double scale
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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.