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Finding the Fourth Proportional to 528,853.48, 793,595.40 and 191,920.44

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Solution

The fourth proportional to 528,853.48, 793,595.40 and 191,920.44 is: 287,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,853.48 : 793,595.40 = 191,920.44 : x
  2. Step 2: Convert to fraction form
    528,853.48/793,595.40 = 191,920.44/x
  3. Step 3: Cross multiply
    528,853.48x = 793,595.40 × 191,920.44
  4. Step 4: Simplify right side
    528,853.48x = 152,307,178,349.98
  5. Step 5: Solve for x
    x = 152,307,178,349.98/528,853.48
  6. Step 6: Final answer
    x = 287,995.04

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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.