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Finding the Fourth Proportional to 346,690.70, 520,036.05 and 293,546.60

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Solution

The fourth proportional to 346,690.70, 520,036.05 and 293,546.60 is: 440,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,690.70 : 520,036.05 = 293,546.60 : x
  2. Step 2: Convert to fraction form
    346,690.70/520,036.05 = 293,546.60/x
  3. Step 3: Cross multiply
    346,690.70x = 520,036.05 × 293,546.60
  4. Step 4: Simplify right side
    346,690.70x = 152,654,814,354.93
  5. Step 5: Solve for x
    x = 152,654,814,354.93/346,690.70
  6. Step 6: Final answer
    x = 440,319.90

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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.