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Finding the Fourth Proportional to 460,489.94, 689,459.61 and 235,365.62

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Solution

The fourth proportional to 460,489.94, 689,459.61 and 235,365.62 is: 352,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,489.94 : 689,459.61 = 235,365.62 : x
  2. Step 2: Convert to fraction form
    460,489.94/689,459.61 = 235,365.62/x
  3. Step 3: Cross multiply
    460,489.94x = 689,459.61 × 235,365.62
  4. Step 4: Simplify right side
    460,489.94x = 162,275,088,572.61
  5. Step 5: Solve for x
    x = 162,275,088,572.61/460,489.94
  6. Step 6: Final answer
    x = 352,396.60

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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.