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Finding the Fourth Proportional to 346,683.70, 520,025.55 and 293,539.60

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Solution

The fourth proportional to 346,683.70, 520,025.55 and 293,539.60 is: 440,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,683.70 : 520,025.55 = 293,539.60 : x
  2. Step 2: Convert to fraction form
    346,683.70/520,025.55 = 293,539.60/x
  3. Step 3: Cross multiply
    346,683.70x = 520,025.55 × 293,539.60
  4. Step 4: Simplify right side
    346,683.70x = 152,648,091,936.78
  5. Step 5: Solve for x
    x = 152,648,091,936.78/346,683.70
  6. Step 6: Final answer
    x = 440,309.40

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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.