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Finding the Fourth Proportional to 295,701.60, 442,896.30 and 228,779.40

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Solution

The fourth proportional to 295,701.60, 442,896.30 and 228,779.40 is: 342,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,701.60 : 442,896.30 = 228,779.40 : x
  2. Step 2: Convert to fraction form
    295,701.60/442,896.30 = 228,779.40/x
  3. Step 3: Cross multiply
    295,701.60x = 442,896.30 × 228,779.40
  4. Step 4: Simplify right side
    295,701.60x = 101,325,549,776.22
  5. Step 5: Solve for x
    x = 101,325,549,776.22/295,701.60
  6. Step 6: Final answer
    x = 342,661.49

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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.