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Finding the Fourth Proportional to 972,325.56, 1,458,643.86 and 411,364.92

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Solution

The fourth proportional to 972,325.56, 1,458,643.86 and 411,364.92 is: 617,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,325.56 : 1,458,643.86 = 411,364.92 : x
  2. Step 2: Convert to fraction form
    972,325.56/1,458,643.86 = 411,364.92/x
  3. Step 3: Cross multiply
    972,325.56x = 1,458,643.86 × 411,364.92
  4. Step 4: Simplify right side
    972,325.56x = 600,034,914,777.39
  5. Step 5: Solve for x
    x = 600,034,914,777.39/972,325.56
  6. Step 6: Final answer
    x = 617,113.18

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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.