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Finding the Fourth Proportional to 416,063.40, 624,095.10 and 346,079.40

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Solution

The fourth proportional to 416,063.40, 624,095.10 and 346,079.40 is: 519,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,063.40 : 624,095.10 = 346,079.40 : x
  2. Step 2: Convert to fraction form
    416,063.40/624,095.10 = 346,079.40/x
  3. Step 3: Cross multiply
    416,063.40x = 624,095.10 × 346,079.40
  4. Step 4: Simplify right side
    416,063.40x = 215,986,457,750.94
  5. Step 5: Solve for x
    x = 215,986,457,750.94/416,063.40
  6. Step 6: Final answer
    x = 519,119.10

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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.