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Finding the Fourth Proportional to 350,182.40, 525,437.60 and 172,592.60

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Solution

The fourth proportional to 350,182.40, 525,437.60 and 172,592.60 is: 258,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,182.40 : 525,437.60 = 172,592.60 : x
  2. Step 2: Convert to fraction form
    350,182.40/525,437.60 = 172,592.60/x
  3. Step 3: Cross multiply
    350,182.40x = 525,437.60 × 172,592.60
  4. Step 4: Simplify right side
    350,182.40x = 90,686,641,521.76
  5. Step 5: Solve for x
    x = 90,686,641,521.76/350,182.40
  6. Step 6: Final answer
    x = 258,969.73

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1.5x scale

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.