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Finding the Fourth Proportional to 349,549.94, 484,205.51 and 342,464.06

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Solution

The fourth proportional to 349,549.94, 484,205.51 and 342,464.06 is: 474,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,549.94 : 484,205.51 = 342,464.06 : x
  2. Step 2: Convert to fraction form
    349,549.94/484,205.51 = 342,464.06/x
  3. Step 3: Cross multiply
    349,549.94x = 484,205.51 × 342,464.06
  4. Step 4: Simplify right side
    349,549.94x = 165,822,984,828.97
  5. Step 5: Solve for x
    x = 165,822,984,828.97/349,549.94
  6. Step 6: Final answer
    x = 474,389.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.