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Finding the Fourth Proportional to 549,903.60, 824,855.40 and 360,946.80

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Solution

The fourth proportional to 549,903.60, 824,855.40 and 360,946.80 is: 541,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,903.60 : 824,855.40 = 360,946.80 : x
  2. Step 2: Convert to fraction form
    549,903.60/824,855.40 = 360,946.80/x
  3. Step 3: Cross multiply
    549,903.60x = 824,855.40 × 360,946.80
  4. Step 4: Simplify right side
    549,903.60x = 297,728,917,092.72
  5. Step 5: Solve for x
    x = 297,728,917,092.72/549,903.60
  6. Step 6: Final answer
    x = 541,420.20

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Similar ratio
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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.