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Finding the Fourth Proportional to 608,907.40, 840,630 and 367,250.92

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Solution

The fourth proportional to 608,907.40, 840,630 and 367,250.92 is: 507,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,907.40 : 840,630 = 367,250.92 : x
  2. Step 2: Convert to fraction form
    608,907.40/840,630 = 367,250.92/x
  3. Step 3: Cross multiply
    608,907.40x = 840,630 × 367,250.92
  4. Step 4: Simplify right side
    608,907.40x = 308,722,140,879.60
  5. Step 5: Solve for x
    x = 308,722,140,879.60/608,907.40
  6. Step 6: Final answer
    x = 507,010.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.