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Finding the Fourth Proportional to 589,851, 884,779.74 and 146,619

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Solution

The fourth proportional to 589,851, 884,779.74 and 146,619 is: 219,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,851 : 884,779.74 = 146,619 : x
  2. Step 2: Convert to fraction form
    589,851/884,779.74 = 146,619/x
  3. Step 3: Cross multiply
    589,851x = 884,779.74 × 146,619
  4. Step 4: Simplify right side
    589,851x = 129,725,520,699.06
  5. Step 5: Solve for x
    x = 129,725,520,699.06/589,851
  6. Step 6: Final answer
    x = 219,929.31

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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.