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Finding the Fourth Proportional to 622,388.40, 933,582.60 and 555,903.60

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Solution

The fourth proportional to 622,388.40, 933,582.60 and 555,903.60 is: 833,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,388.40 : 933,582.60 = 555,903.60 : x
  2. Step 2: Convert to fraction form
    622,388.40/933,582.60 = 555,903.60/x
  3. Step 3: Cross multiply
    622,388.40x = 933,582.60 × 555,903.60
  4. Step 4: Simplify right side
    622,388.40x = 518,981,928,237.36
  5. Step 5: Solve for x
    x = 518,981,928,237.36/622,388.40
  6. Step 6: Final answer
    x = 833,855.40

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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.