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Finding the Fourth Proportional to 546,787.30, 763,730.75 and 546,787.30

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Solution

The fourth proportional to 546,787.30, 763,730.75 and 546,787.30 is: 763,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,787.30 : 763,730.75 = 546,787.30 : x
  2. Step 2: Convert to fraction form
    546,787.30/763,730.75 = 546,787.30/x
  3. Step 3: Cross multiply
    546,787.30x = 763,730.75 × 546,787.30
  4. Step 4: Simplify right side
    546,787.30x = 417,598,274,719.48
  5. Step 5: Solve for x
    x = 417,598,274,719.48/546,787.30
  6. Step 6: Final answer
    x = 763,730.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.