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Finding the Fourth Proportional to 346,548.70, 520,017.45 and 146,835.10

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Solution

The fourth proportional to 346,548.70, 520,017.45 and 146,835.10 is: 220,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,548.70 : 520,017.45 = 146,835.10 : x
  2. Step 2: Convert to fraction form
    346,548.70/520,017.45 = 146,835.10/x
  3. Step 3: Cross multiply
    346,548.70x = 520,017.45 × 146,835.10
  4. Step 4: Simplify right side
    346,548.70x = 76,356,814,272.50
  5. Step 5: Solve for x
    x = 76,356,814,272.50/346,548.70
  6. Step 6: Final answer
    x = 220,335.02

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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.