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Finding the Fourth Proportional to 346,304.64, 519,246.72 and 135,690.24

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Solution

The fourth proportional to 346,304.64, 519,246.72 and 135,690.24 is: 203,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,304.64 : 519,246.72 = 135,690.24 : x
  2. Step 2: Convert to fraction form
    346,304.64/519,246.72 = 135,690.24/x
  3. Step 3: Cross multiply
    346,304.64x = 519,246.72 × 135,690.24
  4. Step 4: Simplify right side
    346,304.64x = 70,456,712,056.01
  5. Step 5: Solve for x
    x = 70,456,712,056.01/346,304.64
  6. Step 6: Final answer
    x = 203,452.98

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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.