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Finding the Fourth Proportional to 549,689.58, 824,381.28 and 194,608.26

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Solution

The fourth proportional to 549,689.58, 824,381.28 and 194,608.26 is: 291,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,689.58 : 824,381.28 = 194,608.26 : x
  2. Step 2: Convert to fraction form
    549,689.58/824,381.28 = 194,608.26/x
  3. Step 3: Cross multiply
    549,689.58x = 824,381.28 × 194,608.26
  4. Step 4: Simplify right side
    549,689.58x = 160,431,406,477.37
  5. Step 5: Solve for x
    x = 160,431,406,477.37/549,689.58
  6. Step 6: Final answer
    x = 291,858.19

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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.