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Finding the Fourth Proportional to 654,387.06, 903,108.68 and 364,053.32

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Solution

The fourth proportional to 654,387.06, 903,108.68 and 364,053.32 is: 502,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,387.06 : 903,108.68 = 364,053.32 : x
  2. Step 2: Convert to fraction form
    654,387.06/903,108.68 = 364,053.32/x
  3. Step 3: Cross multiply
    654,387.06x = 903,108.68 × 364,053.32
  4. Step 4: Simplify right side
    654,387.06x = 328,779,713,738.67
  5. Step 5: Solve for x
    x = 328,779,713,738.67/654,387.06
  6. Step 6: Final answer
    x = 502,423.92

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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.