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Finding the Fourth Proportional to 590,718.40, 886,077.60 and 492,303.40

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Solution

The fourth proportional to 590,718.40, 886,077.60 and 492,303.40 is: 738,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,718.40 : 886,077.60 = 492,303.40 : x
  2. Step 2: Convert to fraction form
    590,718.40/886,077.60 = 492,303.40/x
  3. Step 3: Cross multiply
    590,718.40x = 886,077.60 × 492,303.40
  4. Step 4: Simplify right side
    590,718.40x = 436,219,015,143.84
  5. Step 5: Solve for x
    x = 436,219,015,143.84/590,718.40
  6. Step 6: Final answer
    x = 738,455.10

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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.