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Finding the Fourth Proportional to 522,832.42, 720,164.52 and 369,607.10

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Solution

The fourth proportional to 522,832.42, 720,164.52 and 369,607.10 is: 509,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,832.42 : 720,164.52 = 369,607.10 : x
  2. Step 2: Convert to fraction form
    522,832.42/720,164.52 = 369,607.10/x
  3. Step 3: Cross multiply
    522,832.42x = 720,164.52 × 369,607.10
  4. Step 4: Simplify right side
    522,832.42x = 266,177,920,210.20
  5. Step 5: Solve for x
    x = 266,177,920,210.20/522,832.42
  6. Step 6: Final answer
    x = 509,107.53

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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.