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Finding the Fourth Proportional to 423,204.44, 634,068.45 and 352,580.72

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Solution

The fourth proportional to 423,204.44, 634,068.45 and 352,580.72 is: 528,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,204.44 : 634,068.45 = 352,580.72 : x
  2. Step 2: Convert to fraction form
    423,204.44/634,068.45 = 352,580.72/x
  3. Step 3: Cross multiply
    423,204.44x = 634,068.45 × 352,580.72
  4. Step 4: Simplify right side
    423,204.44x = 223,560,307,459.94
  5. Step 5: Solve for x
    x = 223,560,307,459.94/423,204.44
  6. Step 6: Final answer
    x = 528,256.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.