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Finding the Fourth Proportional to 346,091.20, 483,346.70 and 346,091.20

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Solution

The fourth proportional to 346,091.20, 483,346.70 and 346,091.20 is: 483,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,091.20 : 483,346.70 = 346,091.20 : x
  2. Step 2: Convert to fraction form
    346,091.20/483,346.70 = 346,091.20/x
  3. Step 3: Cross multiply
    346,091.20x = 483,346.70 × 346,091.20
  4. Step 4: Simplify right side
    346,091.20x = 167,282,039,419.04
  5. Step 5: Solve for x
    x = 167,282,039,419.04/346,091.20
  6. Step 6: Final answer
    x = 483,346.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.