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Finding the Fourth Proportional to 543,741.60, 813,999.60 and 404,119.20

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Solution

The fourth proportional to 543,741.60, 813,999.60 and 404,119.20 is: 604,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,741.60 : 813,999.60 = 404,119.20 : x
  2. Step 2: Convert to fraction form
    543,741.60/813,999.60 = 404,119.20/x
  3. Step 3: Cross multiply
    543,741.60x = 813,999.60 × 404,119.20
  4. Step 4: Simplify right side
    543,741.60x = 328,952,867,152.32
  5. Step 5: Solve for x
    x = 328,952,867,152.32/543,741.60
  6. Step 6: Final answer
    x = 604,980.14

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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.