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Finding the Fourth Proportional to 350,733.60, 525,711.60 and 193,075.20

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Solution

The fourth proportional to 350,733.60, 525,711.60 and 193,075.20 is: 289,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,733.60 : 525,711.60 = 193,075.20 : x
  2. Step 2: Convert to fraction form
    350,733.60/525,711.60 = 193,075.20/x
  3. Step 3: Cross multiply
    350,733.60x = 525,711.60 × 193,075.20
  4. Step 4: Simplify right side
    350,733.60x = 101,501,872,312.32
  5. Step 5: Solve for x
    x = 101,501,872,312.32/350,733.60
  6. Step 6: Final answer
    x = 289,398.77

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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.