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Finding the Fourth Proportional to 340,866.02, 470,395.62 and 197,709.32

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Solution

The fourth proportional to 340,866.02, 470,395.62 and 197,709.32 is: 272,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,866.02 : 470,395.62 = 197,709.32 : x
  2. Step 2: Convert to fraction form
    340,866.02/470,395.62 = 197,709.32/x
  3. Step 3: Cross multiply
    340,866.02x = 470,395.62 × 197,709.32
  4. Step 4: Simplify right side
    340,866.02x = 93,001,598,161.18
  5. Step 5: Solve for x
    x = 93,001,598,161.18/340,866.02
  6. Step 6: Final answer
    x = 272,839.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.