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Finding the Fourth Proportional to 364,353.86, 546,619.71 and 139,710.26

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Solution

The fourth proportional to 364,353.86, 546,619.71 and 139,710.26 is: 209,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,353.86 : 546,619.71 = 139,710.26 : x
  2. Step 2: Convert to fraction form
    364,353.86/546,619.71 = 139,710.26/x
  3. Step 3: Cross multiply
    364,353.86x = 546,619.71 × 139,710.26
  4. Step 4: Simplify right side
    364,353.86x = 76,368,381,805.22
  5. Step 5: Solve for x
    x = 76,368,381,805.22/364,353.86
  6. Step 6: Final answer
    x = 209,599.49

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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.