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Finding the Fourth Proportional to 340,623.60, 510,935.40 and 340,623.60

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Solution

The fourth proportional to 340,623.60, 510,935.40 and 340,623.60 is: 510,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,623.60 : 510,935.40 = 340,623.60 : x
  2. Step 2: Convert to fraction form
    340,623.60/510,935.40 = 340,623.60/x
  3. Step 3: Cross multiply
    340,623.60x = 510,935.40 × 340,623.60
  4. Step 4: Simplify right side
    340,623.60x = 174,036,655,315.44
  5. Step 5: Solve for x
    x = 174,036,655,315.44/340,623.60
  6. Step 6: Final answer
    x = 510,935.40

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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.