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Finding the Fourth Proportional to 574,706.40, 792,876.72 and 348,269.28

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Solution

The fourth proportional to 574,706.40, 792,876.72 and 348,269.28 is: 480,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,706.40 : 792,876.72 = 348,269.28 : x
  2. Step 2: Convert to fraction form
    574,706.40/792,876.72 = 348,269.28/x
  3. Step 3: Cross multiply
    574,706.40x = 792,876.72 × 348,269.28
  4. Step 4: Simplify right side
    574,706.40x = 276,134,604,403.16
  5. Step 5: Solve for x
    x = 276,134,604,403.16/574,706.40
  6. Step 6: Final answer
    x = 480,479.43

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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.