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Finding the Fourth Proportional to 549,339.80, 824,009.70 and 360,998.10

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Solution

The fourth proportional to 549,339.80, 824,009.70 and 360,998.10 is: 541,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,339.80 : 824,009.70 = 360,998.10 : x
  2. Step 2: Convert to fraction form
    549,339.80/824,009.70 = 360,998.10/x
  3. Step 3: Cross multiply
    549,339.80x = 824,009.70 × 360,998.10
  4. Step 4: Simplify right side
    549,339.80x = 297,465,931,961.52
  5. Step 5: Solve for x
    x = 297,465,931,961.52/549,339.80
  6. Step 6: Final answer
    x = 541,497.14

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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.