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Finding the Fourth Proportional to 476,460.80, 714,539.46 and 156,538.40

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Solution

The fourth proportional to 476,460.80, 714,539.46 and 156,538.40 is: 234,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,460.80 : 714,539.46 = 156,538.40 : x
  2. Step 2: Convert to fraction form
    476,460.80/714,539.46 = 156,538.40/x
  3. Step 3: Cross multiply
    476,460.80x = 714,539.46 × 156,538.40
  4. Step 4: Simplify right side
    476,460.80x = 111,852,863,805.26
  5. Step 5: Solve for x
    x = 111,852,863,805.26/476,460.80
  6. Step 6: Final answer
    x = 234,757.75

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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.