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Finding the Fourth Proportional to 346,901.70, 520,093.35 and 189,308.10

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Solution

The fourth proportional to 346,901.70, 520,093.35 and 189,308.10 is: 283,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,901.70 : 520,093.35 = 189,308.10 : x
  2. Step 2: Convert to fraction form
    346,901.70/520,093.35 = 189,308.10/x
  3. Step 3: Cross multiply
    346,901.70x = 520,093.35 × 189,308.10
  4. Step 4: Simplify right side
    346,901.70x = 98,457,883,911.14
  5. Step 5: Solve for x
    x = 98,457,883,911.14/346,901.70
  6. Step 6: Final answer
    x = 283,820.70

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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.