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Finding the Fourth Proportional to 615,836.53, 849,821.92 and 347,547.25

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Solution

The fourth proportional to 615,836.53, 849,821.92 and 347,547.25 is: 479,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,836.53 : 849,821.92 = 347,547.25 : x
  2. Step 2: Convert to fraction form
    615,836.53/849,821.92 = 347,547.25/x
  3. Step 3: Cross multiply
    615,836.53x = 849,821.92 × 347,547.25
  4. Step 4: Simplify right side
    615,836.53x = 295,353,271,285.72
  5. Step 5: Solve for x
    x = 295,353,271,285.72/615,836.53
  6. Step 6: Final answer
    x = 479,596.87

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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.