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Finding the Fourth Proportional to 340,794.60, 510,807.90 and 163,386.60

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Solution

The fourth proportional to 340,794.60, 510,807.90 and 163,386.60 is: 244,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,794.60 : 510,807.90 = 163,386.60 : x
  2. Step 2: Convert to fraction form
    340,794.60/510,807.90 = 163,386.60/x
  3. Step 3: Cross multiply
    340,794.60x = 510,807.90 × 163,386.60
  4. Step 4: Simplify right side
    340,794.60x = 83,459,166,034.14
  5. Step 5: Solve for x
    x = 83,459,166,034.14/340,794.60
  6. Step 6: Final answer
    x = 244,895.80

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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.