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Finding the Fourth Proportional to 364,034.85, 546,052.28 and 343,298.85

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Solution

The fourth proportional to 364,034.85, 546,052.28 and 343,298.85 is: 514,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,034.85 : 546,052.28 = 343,298.85 : x
  2. Step 2: Convert to fraction form
    364,034.85/546,052.28 = 343,298.85/x
  3. Step 3: Cross multiply
    364,034.85x = 546,052.28 × 343,298.85
  4. Step 4: Simplify right side
    364,034.85x = 187,459,118,047.38
  5. Step 5: Solve for x
    x = 187,459,118,047.38/364,034.85
  6. Step 6: Final answer
    x = 514,948.28

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Similar ratio
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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.