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Finding the Fourth Proportional to 415,436.64, 573,122.80 and 262,368.48

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Solution

The fourth proportional to 415,436.64, 573,122.80 and 262,368.48 is: 361,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,436.64 : 573,122.80 = 262,368.48 : x
  2. Step 2: Convert to fraction form
    415,436.64/573,122.80 = 262,368.48/x
  3. Step 3: Cross multiply
    415,436.64x = 573,122.80 × 262,368.48
  4. Step 4: Simplify right side
    415,436.64x = 150,369,357,889.34
  5. Step 5: Solve for x
    x = 150,369,357,889.34/415,436.64
  6. Step 6: Final answer
    x = 361,954.97

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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.