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Finding the Fourth Proportional to 427,784.72, 590,356.80 and 246,482.24

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Solution

The fourth proportional to 427,784.72, 590,356.80 and 246,482.24 is: 340,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,784.72 : 590,356.80 = 246,482.24 : x
  2. Step 2: Convert to fraction form
    427,784.72/590,356.80 = 246,482.24/x
  3. Step 3: Cross multiply
    427,784.72x = 590,356.80 × 246,482.24
  4. Step 4: Simplify right side
    427,784.72x = 145,512,466,463.23
  5. Step 5: Solve for x
    x = 145,512,466,463.23/427,784.72
  6. Step 6: Final answer
    x = 340,153.49

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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.