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Finding the Fourth Proportional to 525,774.92, 788,795.32 and 146,695.45

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Solution

The fourth proportional to 525,774.92, 788,795.32 and 146,695.45 is: 220,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,774.92 : 788,795.32 = 146,695.45 : x
  2. Step 2: Convert to fraction form
    525,774.92/788,795.32 = 146,695.45/x
  3. Step 3: Cross multiply
    525,774.92x = 788,795.32 × 146,695.45
  4. Step 4: Simplify right side
    525,774.92x = 115,712,684,425.29
  5. Step 5: Solve for x
    x = 115,712,684,425.29/525,774.92
  6. Step 6: Final answer
    x = 220,080.27

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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.