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Finding the Fourth Proportional to 260,420.08, 390,228.06 and 175,848.80

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Solution

The fourth proportional to 260,420.08, 390,228.06 and 175,848.80 is: 263,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,420.08 : 390,228.06 = 175,848.80 : x
  2. Step 2: Convert to fraction form
    260,420.08/390,228.06 = 175,848.80/x
  3. Step 3: Cross multiply
    260,420.08x = 390,228.06 × 175,848.80
  4. Step 4: Simplify right side
    260,420.08x = 68,621,136,077.33
  5. Step 5: Solve for x
    x = 68,621,136,077.33/260,420.08
  6. Step 6: Final answer
    x = 263,501.71

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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.