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Finding the Fourth Proportional to 340,394.72, 469,807.70 and 197,154.72

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Solution

The fourth proportional to 340,394.72, 469,807.70 and 197,154.72 is: 272,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,394.72 : 469,807.70 = 197,154.72 : x
  2. Step 2: Convert to fraction form
    340,394.72/469,807.70 = 197,154.72/x
  3. Step 3: Cross multiply
    340,394.72x = 469,807.70 × 197,154.72
  4. Step 4: Simplify right side
    340,394.72x = 92,624,804,561.57
  5. Step 5: Solve for x
    x = 92,624,804,561.57/340,394.72
  6. Step 6: Final answer
    x = 272,110.00

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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.