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Finding the Fourth Proportional to 292,068.94, 403,237.59 and 223,955.05

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Solution

The fourth proportional to 292,068.94, 403,237.59 and 223,955.05 is: 309,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,068.94 : 403,237.59 = 223,955.05 : x
  2. Step 2: Convert to fraction form
    292,068.94/403,237.59 = 223,955.05/x
  3. Step 3: Cross multiply
    292,068.94x = 403,237.59 × 223,955.05
  4. Step 4: Simplify right side
    292,068.94x = 90,307,094,630.33
  5. Step 5: Solve for x
    x = 90,307,094,630.33/292,068.94
  6. Step 6: Final answer
    x = 309,197.87

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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.