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Finding the Fourth Proportional to 350,060.20, 525,090.30 and 291,740.20

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Solution

The fourth proportional to 350,060.20, 525,090.30 and 291,740.20 is: 437,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,060.20 : 525,090.30 = 291,740.20 : x
  2. Step 2: Convert to fraction form
    350,060.20/525,090.30 = 291,740.20/x
  3. Step 3: Cross multiply
    350,060.20x = 525,090.30 × 291,740.20
  4. Step 4: Simplify right side
    350,060.20x = 153,189,949,140.06
  5. Step 5: Solve for x
    x = 153,189,949,140.06/350,060.20
  6. Step 6: Final answer
    x = 437,610.30

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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.