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Finding the Fourth Proportional to 307,246.80, 460,870.20 and 292,040.40

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Solution

The fourth proportional to 307,246.80, 460,870.20 and 292,040.40 is: 438,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,246.80 : 460,870.20 = 292,040.40 : x
  2. Step 2: Convert to fraction form
    307,246.80/460,870.20 = 292,040.40/x
  3. Step 3: Cross multiply
    307,246.80x = 460,870.20 × 292,040.40
  4. Step 4: Simplify right side
    307,246.80x = 134,592,717,556.08
  5. Step 5: Solve for x
    x = 134,592,717,556.08/307,246.80
  6. Step 6: Final answer
    x = 438,060.60

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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.