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Finding the Fourth Proportional to 351,445.60, 527,038.80 and 173,893.60

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Solution

The fourth proportional to 351,445.60, 527,038.80 and 173,893.60 is: 260,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,445.60 : 527,038.80 = 173,893.60 : x
  2. Step 2: Convert to fraction form
    351,445.60/527,038.80 = 173,893.60/x
  3. Step 3: Cross multiply
    351,445.60x = 527,038.80 × 173,893.60
  4. Step 4: Simplify right side
    351,445.60x = 91,648,674,271.68
  5. Step 5: Solve for x
    x = 91,648,674,271.68/351,445.60
  6. Step 6: Final answer
    x = 260,776.27

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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.