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Finding the Fourth Proportional to 507,389.60, 700,172.66 and 277,947.88

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Solution

The fourth proportional to 507,389.60, 700,172.66 and 277,947.88 is: 383,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,389.60 : 700,172.66 = 277,947.88 : x
  2. Step 2: Convert to fraction form
    507,389.60/700,172.66 = 277,947.88/x
  3. Step 3: Cross multiply
    507,389.60x = 700,172.66 × 277,947.88
  4. Step 4: Simplify right side
    507,389.60x = 194,611,505,425.40
  5. Step 5: Solve for x
    x = 194,611,505,425.40/507,389.60
  6. Step 6: Final answer
    x = 383,554.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.