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Finding the Fourth Proportional to 401,618.88, 602,036.64 and 191,200.32

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Solution

The fourth proportional to 401,618.88, 602,036.64 and 191,200.32 is: 286,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,618.88 : 602,036.64 = 191,200.32 : x
  2. Step 2: Convert to fraction form
    401,618.88/602,036.64 = 191,200.32/x
  3. Step 3: Cross multiply
    401,618.88x = 602,036.64 × 191,200.32
  4. Step 4: Simplify right side
    401,618.88x = 115,109,598,219.73
  5. Step 5: Solve for x
    x = 115,109,598,219.73/401,618.88
  6. Step 6: Final answer
    x = 286,614.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.