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Finding the Fourth Proportional to 622,772.70, 934,159.05 and 373,940.70

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Solution

The fourth proportional to 622,772.70, 934,159.05 and 373,940.70 is: 560,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,772.70 : 934,159.05 = 373,940.70 : x
  2. Step 2: Convert to fraction form
    622,772.70/934,159.05 = 373,940.70/x
  3. Step 3: Cross multiply
    622,772.70x = 934,159.05 × 373,940.70
  4. Step 4: Simplify right side
    622,772.70x = 349,320,089,068.34
  5. Step 5: Solve for x
    x = 349,320,089,068.34/622,772.70
  6. Step 6: Final answer
    x = 560,911.05

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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.