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Finding the Fourth Proportional to 301,388.10, 452,600.55 and 292,056.90

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Solution

The fourth proportional to 301,388.10, 452,600.55 and 292,056.90 is: 438,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,388.10 : 452,600.55 = 292,056.90 : x
  2. Step 2: Convert to fraction form
    301,388.10/452,600.55 = 292,056.90/x
  3. Step 3: Cross multiply
    301,388.10x = 452,600.55 × 292,056.90
  4. Step 4: Simplify right side
    301,388.10x = 132,185,113,571.30
  5. Step 5: Solve for x
    x = 132,185,113,571.30/301,388.10
  6. Step 6: Final answer
    x = 438,587.70

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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.