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Finding the Fourth Proportional to 286,544.67, 429,907.01 and 118,144.25

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Solution

The fourth proportional to 286,544.67, 429,907.01 and 118,144.25 is: 177,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,544.67 : 429,907.01 = 118,144.25 : x
  2. Step 2: Convert to fraction form
    286,544.67/429,907.01 = 118,144.25/x
  3. Step 3: Cross multiply
    286,544.67x = 429,907.01 × 118,144.25
  4. Step 4: Simplify right side
    286,544.67x = 50,791,038,525.94
  5. Step 5: Solve for x
    x = 50,791,038,525.94/286,544.67
  6. Step 6: Final answer
    x = 177,253.48

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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.