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Finding the Fourth Proportional to 364,613.10, 546,919.65 and 347,117.10

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Solution

The fourth proportional to 364,613.10, 546,919.65 and 347,117.10 is: 520,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,613.10 : 546,919.65 = 347,117.10 : x
  2. Step 2: Convert to fraction form
    364,613.10/546,919.65 = 347,117.10/x
  3. Step 3: Cross multiply
    364,613.10x = 546,919.65 × 347,117.10
  4. Step 4: Simplify right side
    364,613.10x = 189,845,162,841.02
  5. Step 5: Solve for x
    x = 189,845,162,841.02/364,613.10
  6. Step 6: Final answer
    x = 520,675.65

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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.