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Finding the Fourth Proportional to 658,832.42, 909,189.72 and 357,026.42

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Solution

The fourth proportional to 658,832.42, 909,189.72 and 357,026.42 is: 492,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,832.42 : 909,189.72 = 357,026.42 : x
  2. Step 2: Convert to fraction form
    658,832.42/909,189.72 = 357,026.42/x
  3. Step 3: Cross multiply
    658,832.42x = 909,189.72 × 357,026.42
  4. Step 4: Simplify right side
    658,832.42x = 324,604,750,832.40
  5. Step 5: Solve for x
    x = 324,604,750,832.40/658,832.42
  6. Step 6: Final answer
    x = 492,696.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.