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Finding the Fourth Proportional to 525,720.24, 788,598.12 and 146,650.26

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Solution

The fourth proportional to 525,720.24, 788,598.12 and 146,650.26 is: 219,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,720.24 : 788,598.12 = 146,650.26 : x
  2. Step 2: Convert to fraction form
    525,720.24/788,598.12 = 146,650.26/x
  3. Step 3: Cross multiply
    525,720.24x = 788,598.12 × 146,650.26
  4. Step 4: Simplify right side
    525,720.24x = 115,648,119,333.51
  5. Step 5: Solve for x
    x = 115,648,119,333.51/525,720.24
  6. Step 6: Final answer
    x = 219,980.35

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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.