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Finding the Fourth Proportional to 404,486.48, 558,017.16 and 253,554.32

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Solution

The fourth proportional to 404,486.48, 558,017.16 and 253,554.32 is: 349,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,486.48 : 558,017.16 = 253,554.32 : x
  2. Step 2: Convert to fraction form
    404,486.48/558,017.16 = 253,554.32/x
  3. Step 3: Cross multiply
    404,486.48x = 558,017.16 × 253,554.32
  4. Step 4: Simplify right side
    404,486.48x = 141,487,661,552.13
  5. Step 5: Solve for x
    x = 141,487,661,552.13/404,486.48
  6. Step 6: Final answer
    x = 349,795.77

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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.