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Finding the Fourth Proportional to 658,860.48, 909,228.24 and 357,054.48

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Solution

The fourth proportional to 658,860.48, 909,228.24 and 357,054.48 is: 492,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,860.48 : 909,228.24 = 357,054.48 : x
  2. Step 2: Convert to fraction form
    658,860.48/909,228.24 = 357,054.48/x
  3. Step 3: Cross multiply
    658,860.48x = 909,228.24 × 357,054.48
  4. Step 4: Simplify right side
    658,860.48x = 324,644,016,434.52
  5. Step 5: Solve for x
    x = 324,644,016,434.52/658,860.48
  6. Step 6: Final answer
    x = 492,735.60

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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.