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Finding the Fourth Proportional to 450,705.30, 621,980.68 and 246,752.82

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Solution

The fourth proportional to 450,705.30, 621,980.68 and 246,752.82 is: 340,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,705.30 : 621,980.68 = 246,752.82 : x
  2. Step 2: Convert to fraction form
    450,705.30/621,980.68 = 246,752.82/x
  3. Step 3: Cross multiply
    450,705.30x = 621,980.68 × 246,752.82
  4. Step 4: Simplify right side
    450,705.30x = 153,475,486,775.52
  5. Step 5: Solve for x
    x = 153,475,486,775.52/450,705.30
  6. Step 6: Final answer
    x = 340,522.92

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1.5x scale

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.