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Finding the Fourth Proportional to 366,920.70, 549,724.95 and 310,496.10

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Solution

The fourth proportional to 366,920.70, 549,724.95 and 310,496.10 is: 465,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.70 : 549,724.95 = 310,496.10 : x
  2. Step 2: Convert to fraction form
    366,920.70/549,724.95 = 310,496.10/x
  3. Step 3: Cross multiply
    366,920.70x = 549,724.95 × 310,496.10
  4. Step 4: Simplify right side
    366,920.70x = 170,687,453,047.70
  5. Step 5: Solve for x
    x = 170,687,453,047.70/366,920.70
  6. Step 6: Final answer
    x = 465,188.94

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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.