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Finding the Fourth Proportional to 363,557.88, 501,798.28 and 210,571.40

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Solution

The fourth proportional to 363,557.88, 501,798.28 and 210,571.40 is: 290,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,557.88 : 501,798.28 = 210,571.40 : x
  2. Step 2: Convert to fraction form
    363,557.88/501,798.28 = 210,571.40/x
  3. Step 3: Cross multiply
    363,557.88x = 501,798.28 × 210,571.40
  4. Step 4: Simplify right side
    363,557.88x = 105,664,366,337.19
  5. Step 5: Solve for x
    x = 105,664,366,337.19/363,557.88
  6. Step 6: Final answer
    x = 290,639.74

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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.