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Finding the Fourth Proportional to 416,835.64, 575,225.62 and 235,543.72

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Solution

The fourth proportional to 416,835.64, 575,225.62 and 235,543.72 is: 325,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,835.64 : 575,225.62 = 235,543.72 : x
  2. Step 2: Convert to fraction form
    416,835.64/575,225.62 = 235,543.72/x
  3. Step 3: Cross multiply
    416,835.64x = 575,225.62 × 235,543.72
  4. Step 4: Simplify right side
    416,835.64x = 135,490,782,374.11
  5. Step 5: Solve for x
    x = 135,490,782,374.11/416,835.64
  6. Step 6: Final answer
    x = 325,046.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.