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Finding the Fourth Proportional to 483,945.60, 725,918.40 and 359,529.60

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Solution

The fourth proportional to 483,945.60, 725,918.40 and 359,529.60 is: 539,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,945.60 : 725,918.40 = 359,529.60 : x
  2. Step 2: Convert to fraction form
    483,945.60/725,918.40 = 359,529.60/x
  3. Step 3: Cross multiply
    483,945.60x = 725,918.40 × 359,529.60
  4. Step 4: Simplify right side
    483,945.60x = 260,989,151,984.64
  5. Step 5: Solve for x
    x = 260,989,151,984.64/483,945.60
  6. Step 6: Final answer
    x = 539,294.40

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Half scale
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Double scale
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Similar ratio
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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.