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Finding the Fourth Proportional to 550,335.51, 759,141.23 and 346,063.05

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Solution

The fourth proportional to 550,335.51, 759,141.23 and 346,063.05 is: 477,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,335.51 : 759,141.23 = 346,063.05 : x
  2. Step 2: Convert to fraction form
    550,335.51/759,141.23 = 346,063.05/x
  3. Step 3: Cross multiply
    550,335.51x = 759,141.23 × 346,063.05
  4. Step 4: Simplify right side
    550,335.51x = 262,710,727,704.24
  5. Step 5: Solve for x
    x = 262,710,727,704.24/550,335.51
  6. Step 6: Final answer
    x = 477,364.67

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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.