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Finding the Fourth Proportional to 340,580.04, 470,000.28 and 197,423.04

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Solution

The fourth proportional to 340,580.04, 470,000.28 and 197,423.04 is: 272,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,580.04 : 470,000.28 = 197,423.04 : x
  2. Step 2: Convert to fraction form
    340,580.04/470,000.28 = 197,423.04/x
  3. Step 3: Cross multiply
    340,580.04x = 470,000.28 × 197,423.04
  4. Step 4: Simplify right side
    340,580.04x = 92,788,884,078.45
  5. Step 5: Solve for x
    x = 92,788,884,078.45/340,580.04
  6. Step 6: Final answer
    x = 272,443.69

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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.