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Finding the Fourth Proportional to 446,117.80, 615,643.35 and 242,168.88

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Solution

The fourth proportional to 446,117.80, 615,643.35 and 242,168.88 is: 334,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,117.80 : 615,643.35 = 242,168.88 : x
  2. Step 2: Convert to fraction form
    446,117.80/615,643.35 = 242,168.88/x
  3. Step 3: Cross multiply
    446,117.80x = 615,643.35 × 242,168.88
  4. Step 4: Simplify right side
    446,117.80x = 149,089,660,548.95
  5. Step 5: Solve for x
    x = 149,089,660,548.95/446,117.80
  6. Step 6: Final answer
    x = 334,193.48

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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.