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Finding the Fourth Proportional to 346,318.40, 519,477.60 and 338,542.40

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Solution

The fourth proportional to 346,318.40, 519,477.60 and 338,542.40 is: 507,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,318.40 : 519,477.60 = 338,542.40 : x
  2. Step 2: Convert to fraction form
    346,318.40/519,477.60 = 338,542.40/x
  3. Step 3: Cross multiply
    346,318.40x = 519,477.60 × 338,542.40
  4. Step 4: Simplify right side
    346,318.40x = 175,865,193,450.24
  5. Step 5: Solve for x
    x = 175,865,193,450.24/346,318.40
  6. Step 6: Final answer
    x = 507,813.60

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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.