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Finding the Fourth Proportional to 346,722.12, 520,101 and 97,423.56

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Solution

The fourth proportional to 346,722.12, 520,101 and 97,423.56 is: 146,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,722.12 : 520,101 = 97,423.56 : x
  2. Step 2: Convert to fraction form
    346,722.12/520,101 = 97,423.56/x
  3. Step 3: Cross multiply
    346,722.12x = 520,101 × 97,423.56
  4. Step 4: Simplify right side
    346,722.12x = 50,670,090,979.56
  5. Step 5: Solve for x
    x = 50,670,090,979.56/346,722.12
  6. Step 6: Final answer
    x = 146,140.35

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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.