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Finding the Fourth Proportional to 550,248.48, 759,020.46 and 345,975.66

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Solution

The fourth proportional to 550,248.48, 759,020.46 and 345,975.66 is: 477,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,248.48 : 759,020.46 = 345,975.66 : x
  2. Step 2: Convert to fraction form
    550,248.48/759,020.46 = 345,975.66/x
  3. Step 3: Cross multiply
    550,248.48x = 759,020.46 × 345,975.66
  4. Step 4: Simplify right side
    550,248.48x = 262,602,604,602.00
  5. Step 5: Solve for x
    x = 262,602,604,602.00/550,248.48
  6. Step 6: Final answer
    x = 477,243.67

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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.