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Finding the Fourth Proportional to 460,744.20, 635,782.50 and 277,036.20

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Solution

The fourth proportional to 460,744.20, 635,782.50 and 277,036.20 is: 382,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,744.20 : 635,782.50 = 277,036.20 : x
  2. Step 2: Convert to fraction form
    460,744.20/635,782.50 = 277,036.20/x
  3. Step 3: Cross multiply
    460,744.20x = 635,782.50 × 277,036.20
  4. Step 4: Simplify right side
    460,744.20x = 176,134,767,826.50
  5. Step 5: Solve for x
    x = 176,134,767,826.50/460,744.20
  6. Step 6: Final answer
    x = 382,283.20

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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.