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Finding the Fourth Proportional to 549,940.30, 824,910.45 and 461,366.80

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Solution

The fourth proportional to 549,940.30, 824,910.45 and 461,366.80 is: 692,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,940.30 : 824,910.45 = 461,366.80 : x
  2. Step 2: Convert to fraction form
    549,940.30/824,910.45 = 461,366.80/x
  3. Step 3: Cross multiply
    549,940.30x = 824,910.45 × 461,366.80
  4. Step 4: Simplify right side
    549,940.30x = 380,586,294,603.06
  5. Step 5: Solve for x
    x = 380,586,294,603.06/549,940.30
  6. Step 6: Final answer
    x = 692,050.20

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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.