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Finding the Fourth Proportional to 572,583.96, 857,940.66 and 348,013.08

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Solution

The fourth proportional to 572,583.96, 857,940.66 and 348,013.08 is: 521,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,583.96 : 857,940.66 = 348,013.08 : x
  2. Step 2: Convert to fraction form
    572,583.96/857,940.66 = 348,013.08/x
  3. Step 3: Cross multiply
    572,583.96x = 857,940.66 × 348,013.08
  4. Step 4: Simplify right side
    572,583.96x = 298,574,571,543.83
  5. Step 5: Solve for x
    x = 298,574,571,543.83/572,583.96
  6. Step 6: Final answer
    x = 521,451.16

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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.