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Finding the Fourth Proportional to 363,451.61, 501,554.55 and 202,303.19

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Solution

The fourth proportional to 363,451.61, 501,554.55 and 202,303.19 is: 279,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,451.61 : 501,554.55 = 202,303.19 : x
  2. Step 2: Convert to fraction form
    363,451.61/501,554.55 = 202,303.19/x
  3. Step 3: Cross multiply
    363,451.61x = 501,554.55 × 202,303.19
  4. Step 4: Simplify right side
    363,451.61x = 101,466,085,424.02
  5. Step 5: Solve for x
    x = 101,466,085,424.02/363,451.61
  6. Step 6: Final answer
    x = 279,173.58

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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.