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Finding the Fourth Proportional to 525,858, 788,393.34 and 170,660.04

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Solution

The fourth proportional to 525,858, 788,393.34 and 170,660.04 is: 255,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,858 : 788,393.34 = 170,660.04 : x
  2. Step 2: Convert to fraction form
    525,858/788,393.34 = 170,660.04/x
  3. Step 3: Cross multiply
    525,858x = 788,393.34 × 170,660.04
  4. Step 4: Simplify right side
    525,858x = 134,547,238,940.13
  5. Step 5: Solve for x
    x = 134,547,238,940.13/525,858
  6. Step 6: Final answer
    x = 255,862.30

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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.