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Finding the Fourth Proportional to 295,657.10, 443,485.65 and 127,258.10

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Solution

The fourth proportional to 295,657.10, 443,485.65 and 127,258.10 is: 190,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,657.10 : 443,485.65 = 127,258.10 : x
  2. Step 2: Convert to fraction form
    295,657.10/443,485.65 = 127,258.10/x
  3. Step 3: Cross multiply
    295,657.10x = 443,485.65 × 127,258.10
  4. Step 4: Simplify right side
    295,657.10x = 56,437,141,196.27
  5. Step 5: Solve for x
    x = 56,437,141,196.27/295,657.10
  6. Step 6: Final answer
    x = 190,887.15

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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.