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Finding the Fourth Proportional to 350,533.45, 525,888.65 and 97,813.72

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Solution

The fourth proportional to 350,533.45, 525,888.65 and 97,813.72 is: 146,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,533.45 : 525,888.65 = 97,813.72 : x
  2. Step 2: Convert to fraction form
    350,533.45/525,888.65 = 97,813.72/x
  3. Step 3: Cross multiply
    350,533.45x = 525,888.65 × 97,813.72
  4. Step 4: Simplify right side
    350,533.45x = 51,439,125,162.28
  5. Step 5: Solve for x
    x = 51,439,125,162.28/350,533.45
  6. Step 6: Final answer
    x = 146,745.27

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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.