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Finding the Fourth Proportional to 550,336.51, 759,142.60 and 346,064.05

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Solution

The fourth proportional to 550,336.51, 759,142.60 and 346,064.05 is: 477,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,336.51 : 759,142.60 = 346,064.05 : x
  2. Step 2: Convert to fraction form
    550,336.51/759,142.60 = 346,064.05/x
  3. Step 3: Cross multiply
    550,336.51x = 759,142.60 × 346,064.05
  4. Step 4: Simplify right side
    550,336.51x = 262,711,962,683.53
  5. Step 5: Solve for x
    x = 262,711,962,683.53/550,336.51
  6. Step 6: Final answer
    x = 477,366.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.