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Finding the Fourth Proportional to 602,496.88, 903,436.44 and 318,340.24

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Solution

The fourth proportional to 602,496.88, 903,436.44 and 318,340.24 is: 477,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,496.88 : 903,436.44 = 318,340.24 : x
  2. Step 2: Convert to fraction form
    602,496.88/903,436.44 = 318,340.24/x
  3. Step 3: Cross multiply
    602,496.88x = 903,436.44 × 318,340.24
  4. Step 4: Simplify right side
    602,496.88x = 287,600,173,134.35
  5. Step 5: Solve for x
    x = 287,600,173,134.35/602,496.88
  6. Step 6: Final answer
    x = 477,347.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.