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Finding the Fourth Proportional to 549,808.20, 824,712.30 and 194,858.10

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Solution

The fourth proportional to 549,808.20, 824,712.30 and 194,858.10 is: 292,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,808.20 : 824,712.30 = 194,858.10 : x
  2. Step 2: Convert to fraction form
    549,808.20/824,712.30 = 194,858.10/x
  3. Step 3: Cross multiply
    549,808.20x = 824,712.30 × 194,858.10
  4. Step 4: Simplify right side
    549,808.20x = 160,701,871,824.63
  5. Step 5: Solve for x
    x = 160,701,871,824.63/549,808.20
  6. Step 6: Final answer
    x = 292,287.15

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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.