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Finding the Fourth Proportional to 437,557.20, 656,335.80 and 362,907.60

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Solution

The fourth proportional to 437,557.20, 656,335.80 and 362,907.60 is: 544,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,557.20 : 656,335.80 = 362,907.60 : x
  2. Step 2: Convert to fraction form
    437,557.20/656,335.80 = 362,907.60/x
  3. Step 3: Cross multiply
    437,557.20x = 656,335.80 × 362,907.60
  4. Step 4: Simplify right side
    437,557.20x = 238,189,249,972.08
  5. Step 5: Solve for x
    x = 238,189,249,972.08/437,557.20
  6. Step 6: Final answer
    x = 544,361.40

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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.