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Finding the Fourth Proportional to 301,923.30, 423,314.70 and 301,923.30

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Solution

The fourth proportional to 301,923.30, 423,314.70 and 301,923.30 is: 423,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,923.30 : 423,314.70 = 301,923.30 : x
  2. Step 2: Convert to fraction form
    301,923.30/423,314.70 = 301,923.30/x
  3. Step 3: Cross multiply
    301,923.30x = 423,314.70 × 301,923.30
  4. Step 4: Simplify right side
    301,923.30x = 127,808,571,162.51
  5. Step 5: Solve for x
    x = 127,808,571,162.51/301,923.30
  6. Step 6: Final answer
    x = 423,314.70

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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.