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Finding the Fourth Proportional to 260,536.50, 390,804.75 and 63,544.50

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Solution

The fourth proportional to 260,536.50, 390,804.75 and 63,544.50 is: 95,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,536.50 : 390,804.75 = 63,544.50 : x
  2. Step 2: Convert to fraction form
    260,536.50/390,804.75 = 63,544.50/x
  3. Step 3: Cross multiply
    260,536.50x = 390,804.75 × 63,544.50
  4. Step 4: Simplify right side
    260,536.50x = 24,833,492,436.38
  5. Step 5: Solve for x
    x = 24,833,492,436.38/260,536.50
  6. Step 6: Final answer
    x = 95,316.75

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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.