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Finding the Fourth Proportional to 365,271.40, 547,907.10 and 325,613.80

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Solution

The fourth proportional to 365,271.40, 547,907.10 and 325,613.80 is: 488,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,271.40 : 547,907.10 = 325,613.80 : x
  2. Step 2: Convert to fraction form
    365,271.40/547,907.10 = 325,613.80/x
  3. Step 3: Cross multiply
    365,271.40x = 547,907.10 × 325,613.80
  4. Step 4: Simplify right side
    365,271.40x = 178,406,112,877.98
  5. Step 5: Solve for x
    x = 178,406,112,877.98/365,271.40
  6. Step 6: Final answer
    x = 488,420.70

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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.