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Finding the Fourth Proportional to 346,706.70, 520,060.05 and 293,562.60

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Solution

The fourth proportional to 346,706.70, 520,060.05 and 293,562.60 is: 440,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,706.70 : 520,060.05 = 293,562.60 : x
  2. Step 2: Convert to fraction form
    346,706.70/520,060.05 = 293,562.60/x
  3. Step 3: Cross multiply
    346,706.70x = 520,060.05 × 293,562.60
  4. Step 4: Simplify right side
    346,706.70x = 152,670,180,434.13
  5. Step 5: Solve for x
    x = 152,670,180,434.13/346,706.70
  6. Step 6: Final answer
    x = 440,343.90

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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.