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Finding the Fourth Proportional to 350,563.60, 525,845.40 and 346,877.20

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Solution

The fourth proportional to 350,563.60, 525,845.40 and 346,877.20 is: 520,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,563.60 : 525,845.40 = 346,877.20 : x
  2. Step 2: Convert to fraction form
    350,563.60/525,845.40 = 346,877.20/x
  3. Step 3: Cross multiply
    350,563.60x = 525,845.40 × 346,877.20
  4. Step 4: Simplify right side
    350,563.60x = 182,403,779,984.88
  5. Step 5: Solve for x
    x = 182,403,779,984.88/350,563.60
  6. Step 6: Final answer
    x = 520,315.80

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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.