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Finding the Fourth Proportional to 366,934.70, 549,745.95 and 310,510.10

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Solution

The fourth proportional to 366,934.70, 549,745.95 and 310,510.10 is: 465,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,934.70 : 549,745.95 = 310,510.10 : x
  2. Step 2: Convert to fraction form
    366,934.70/549,745.95 = 310,510.10/x
  3. Step 3: Cross multiply
    366,934.70x = 549,745.95 × 310,510.10
  4. Step 4: Simplify right side
    366,934.70x = 170,701,669,909.10
  5. Step 5: Solve for x
    x = 170,701,669,909.10/366,934.70
  6. Step 6: Final answer
    x = 465,209.94

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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.