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Finding the Fourth Proportional to 553,531.34, 827,264.16 and 404,086.34

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Solution

The fourth proportional to 553,531.34, 827,264.16 and 404,086.34 is: 603,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,531.34 : 827,264.16 = 404,086.34 : x
  2. Step 2: Convert to fraction form
    553,531.34/827,264.16 = 404,086.34/x
  3. Step 3: Cross multiply
    553,531.34x = 827,264.16 × 404,086.34
  4. Step 4: Simplify right side
    553,531.34x = 334,286,148,695.74
  5. Step 5: Solve for x
    x = 334,286,148,695.74/553,531.34
  6. Step 6: Final answer
    x = 603,915.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.