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Finding the Fourth Proportional to 350,145.60, 524,008.80 and 210,004.80

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Solution

The fourth proportional to 350,145.60, 524,008.80 and 210,004.80 is: 314,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,145.60 : 524,008.80 = 210,004.80 : x
  2. Step 2: Convert to fraction form
    350,145.60/524,008.80 = 210,004.80/x
  3. Step 3: Cross multiply
    350,145.60x = 524,008.80 × 210,004.80
  4. Step 4: Simplify right side
    350,145.60x = 110,044,363,242.24
  5. Step 5: Solve for x
    x = 110,044,363,242.24/350,145.60
  6. Step 6: Final answer
    x = 314,281.73

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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.