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Finding the Fourth Proportional to 517,725.50, 714,681.64 and 348,058.04

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Solution

The fourth proportional to 517,725.50, 714,681.64 and 348,058.04 is: 480,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,725.50 : 714,681.64 = 348,058.04 : x
  2. Step 2: Convert to fraction form
    517,725.50/714,681.64 = 348,058.04/x
  3. Step 3: Cross multiply
    517,725.50x = 714,681.64 × 348,058.04
  4. Step 4: Simplify right side
    517,725.50x = 248,750,690,842.39
  5. Step 5: Solve for x
    x = 248,750,690,842.39/517,725.50
  6. Step 6: Final answer
    x = 480,468.30

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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.