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Finding the Fourth Proportional to 543,495.29, 750,009.08 and 301,771.64

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Solution

The fourth proportional to 543,495.29, 750,009.08 and 301,771.64 is: 416,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,495.29 : 750,009.08 = 301,771.64 : x
  2. Step 2: Convert to fraction form
    543,495.29/750,009.08 = 301,771.64/x
  3. Step 3: Cross multiply
    543,495.29x = 750,009.08 × 301,771.64
  4. Step 4: Simplify right side
    543,495.29x = 226,331,472,715.94
  5. Step 5: Solve for x
    x = 226,331,472,715.94/543,495.29
  6. Step 6: Final answer
    x = 416,436.87

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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.