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Finding the Fourth Proportional to 656,232.88, 905,684.88 and 369,823.36

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Solution

The fourth proportional to 656,232.88, 905,684.88 and 369,823.36 is: 510,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,232.88 : 905,684.88 = 369,823.36 : x
  2. Step 2: Convert to fraction form
    656,232.88/905,684.88 = 369,823.36/x
  3. Step 3: Cross multiply
    656,232.88x = 905,684.88 × 369,823.36
  4. Step 4: Simplify right side
    656,232.88x = 334,943,425,422.80
  5. Step 5: Solve for x
    x = 334,943,425,422.80/656,232.88
  6. Step 6: Final answer
    x = 510,403.30

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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.