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Finding the Fourth Proportional to 363,482.72, 501,636.48 and 202,368.32

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Solution

The fourth proportional to 363,482.72, 501,636.48 and 202,368.32 is: 279,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,482.72 : 501,636.48 = 202,368.32 : x
  2. Step 2: Convert to fraction form
    363,482.72/501,636.48 = 202,368.32/x
  3. Step 3: Cross multiply
    363,482.72x = 501,636.48 × 202,368.32
  4. Step 4: Simplify right side
    363,482.72x = 101,515,331,708.31
  5. Step 5: Solve for x
    x = 101,515,331,708.31/363,482.72
  6. Step 6: Final answer
    x = 279,285.17

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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.