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Finding the Fourth Proportional to 404,548.12, 558,486.29 and 295,530.07

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Solution

The fourth proportional to 404,548.12, 558,486.29 and 295,530.07 is: 407,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,548.12 : 558,486.29 = 295,530.07 : x
  2. Step 2: Convert to fraction form
    404,548.12/558,486.29 = 295,530.07/x
  3. Step 3: Cross multiply
    404,548.12x = 558,486.29 × 295,530.07
  4. Step 4: Simplify right side
    404,548.12x = 165,049,492,767.51
  5. Step 5: Solve for x
    x = 165,049,492,767.51/404,548.12
  6. Step 6: Final answer
    x = 407,984.82

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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.