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Finding the Fourth Proportional to 622,130.60, 933,195.90 and 611,762.60

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Solution

The fourth proportional to 622,130.60, 933,195.90 and 611,762.60 is: 917,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,130.60 : 933,195.90 = 611,762.60 : x
  2. Step 2: Convert to fraction form
    622,130.60/933,195.90 = 611,762.60/x
  3. Step 3: Cross multiply
    622,130.60x = 933,195.90 × 611,762.60
  4. Step 4: Simplify right side
    622,130.60x = 570,894,350,093.34
  5. Step 5: Solve for x
    x = 570,894,350,093.34/622,130.60
  6. Step 6: Final answer
    x = 917,643.90

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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.