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Finding the Fourth Proportional to 590,592.93, 814,734.78 and 386,554.02

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Solution

The fourth proportional to 590,592.93, 814,734.78 and 386,554.02 is: 533,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,592.93 : 814,734.78 = 386,554.02 : x
  2. Step 2: Convert to fraction form
    590,592.93/814,734.78 = 386,554.02/x
  3. Step 3: Cross multiply
    590,592.93x = 814,734.78 × 386,554.02
  4. Step 4: Simplify right side
    590,592.93x = 314,939,004,442.82
  5. Step 5: Solve for x
    x = 314,939,004,442.82/590,592.93
  6. Step 6: Final answer
    x = 533,259.02

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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.