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Finding the Fourth Proportional to 364,502.10, 546,697.69 and 139,968.28

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Solution

The fourth proportional to 364,502.10, 546,697.69 and 139,968.28 is: 209,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,502.10 : 546,697.69 = 139,968.28 : x
  2. Step 2: Convert to fraction form
    364,502.10/546,697.69 = 139,968.28/x
  3. Step 3: Cross multiply
    364,502.10x = 546,697.69 × 139,968.28
  4. Step 4: Simplify right side
    364,502.10x = 76,520,335,349.27
  5. Step 5: Solve for x
    x = 76,520,335,349.27/364,502.10
  6. Step 6: Final answer
    x = 209,931.12

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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.