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Finding the Fourth Proportional to 350,011.37, 525,220.95 and 147,595.07

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Solution

The fourth proportional to 350,011.37, 525,220.95 and 147,595.07 is: 221,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,011.37 : 525,220.95 = 147,595.07 : x
  2. Step 2: Convert to fraction form
    350,011.37/525,220.95 = 147,595.07/x
  3. Step 3: Cross multiply
    350,011.37x = 525,220.95 × 147,595.07
  4. Step 4: Simplify right side
    350,011.37x = 77,520,020,254.61
  5. Step 5: Solve for x
    x = 77,520,020,254.61/350,011.37
  6. Step 6: Final answer
    x = 221,478.58

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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.