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Finding the Fourth Proportional to 525,684.62, 788,515.58 and 146,595.26

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Solution

The fourth proportional to 525,684.62, 788,515.58 and 146,595.26 is: 219,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,684.62 : 788,515.58 = 146,595.26 : x
  2. Step 2: Convert to fraction form
    525,684.62/788,515.58 = 146,595.26/x
  3. Step 3: Cross multiply
    525,684.62x = 788,515.58 × 146,595.26
  4. Step 4: Simplify right side
    525,684.62x = 115,592,641,788.60
  5. Step 5: Solve for x
    x = 115,592,641,788.60/525,684.62
  6. Step 6: Final answer
    x = 219,889.72

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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.