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Finding the Fourth Proportional to 605,079.60, 907,619.40 and 352,100.40

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Solution

The fourth proportional to 605,079.60, 907,619.40 and 352,100.40 is: 528,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,079.60 : 907,619.40 = 352,100.40 : x
  2. Step 2: Convert to fraction form
    605,079.60/907,619.40 = 352,100.40/x
  3. Step 3: Cross multiply
    605,079.60x = 907,619.40 × 352,100.40
  4. Step 4: Simplify right side
    605,079.60x = 319,573,153,787.76
  5. Step 5: Solve for x
    x = 319,573,153,787.76/605,079.60
  6. Step 6: Final answer
    x = 528,150.60

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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.