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Finding the Fourth Proportional to 295,980.10, 444,002.55 and 286,648.90

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Solution

The fourth proportional to 295,980.10, 444,002.55 and 286,648.90 is: 430,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,980.10 : 444,002.55 = 286,648.90 : x
  2. Step 2: Convert to fraction form
    295,980.10/444,002.55 = 286,648.90/x
  3. Step 3: Cross multiply
    295,980.10x = 444,002.55 × 286,648.90
  4. Step 4: Simplify right side
    295,980.10x = 127,272,842,554.70
  5. Step 5: Solve for x
    x = 127,272,842,554.70/295,980.10
  6. Step 6: Final answer
    x = 430,004.73

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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.