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Finding the Fourth Proportional to 581,513.36, 802,153.69 and 363,343.64

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Solution

The fourth proportional to 581,513.36, 802,153.69 and 363,343.64 is: 501,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,513.36 : 802,153.69 = 363,343.64 : x
  2. Step 2: Convert to fraction form
    581,513.36/802,153.69 = 363,343.64/x
  3. Step 3: Cross multiply
    581,513.36x = 802,153.69 × 363,343.64
  4. Step 4: Simplify right side
    581,513.36x = 291,457,436,644.90
  5. Step 5: Solve for x
    x = 291,457,436,644.90/581,513.36
  6. Step 6: Final answer
    x = 501,205.06

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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.