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Finding the Fourth Proportional to 550,343.85, 759,152.70 and 346,071.30

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Solution

The fourth proportional to 550,343.85, 759,152.70 and 346,071.30 is: 477,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,343.85 : 759,152.70 = 346,071.30 : x
  2. Step 2: Convert to fraction form
    550,343.85/759,152.70 = 346,071.30/x
  3. Step 3: Cross multiply
    550,343.85x = 759,152.70 × 346,071.30
  4. Step 4: Simplify right side
    550,343.85x = 262,720,961,787.51
  5. Step 5: Solve for x
    x = 262,720,961,787.51/550,343.85
  6. Step 6: Final answer
    x = 477,376.03

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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.