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Finding the Fourth Proportional to 416,037.40, 624,056.10 and 346,053.40

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Solution

The fourth proportional to 416,037.40, 624,056.10 and 346,053.40 is: 519,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,037.40 : 624,056.10 = 346,053.40 : x
  2. Step 2: Convert to fraction form
    416,037.40/624,056.10 = 346,053.40/x
  3. Step 3: Cross multiply
    416,037.40x = 624,056.10 × 346,053.40
  4. Step 4: Simplify right side
    416,037.40x = 215,956,735,195.74
  5. Step 5: Solve for x
    x = 215,956,735,195.74/416,037.40
  6. Step 6: Final answer
    x = 519,080.10

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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.