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Finding the Fourth Proportional to 549,416.70, 824,015.70 and 265,106.70

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Solution

The fourth proportional to 549,416.70, 824,015.70 and 265,106.70 is: 397,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,416.70 : 824,015.70 = 265,106.70 : x
  2. Step 2: Convert to fraction form
    549,416.70/824,015.70 = 265,106.70/x
  3. Step 3: Cross multiply
    549,416.70x = 824,015.70 × 265,106.70
  4. Step 4: Simplify right side
    549,416.70x = 218,452,082,975.19
  5. Step 5: Solve for x
    x = 218,452,082,975.19/549,416.70
  6. Step 6: Final answer
    x = 397,607.29

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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.