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Finding the Fourth Proportional to 460,046.80, 634,882.80 and 256,106.80

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Solution

The fourth proportional to 460,046.80, 634,882.80 and 256,106.80 is: 353,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,046.80 : 634,882.80 = 256,106.80 : x
  2. Step 2: Convert to fraction form
    460,046.80/634,882.80 = 256,106.80/x
  3. Step 3: Cross multiply
    460,046.80x = 634,882.80 × 256,106.80
  4. Step 4: Simplify right side
    460,046.80x = 162,597,802,283.04
  5. Step 5: Solve for x
    x = 162,597,802,283.04/460,046.80
  6. Step 6: Final answer
    x = 353,437.52

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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.