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Finding the Fourth Proportional to 288,543.06, 434,784.11 and 237,104.82

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Solution

The fourth proportional to 288,543.06, 434,784.11 and 237,104.82 is: 357,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,543.06 : 434,784.11 = 237,104.82 : x
  2. Step 2: Convert to fraction form
    288,543.06/434,784.11 = 237,104.82/x
  3. Step 3: Cross multiply
    288,543.06x = 434,784.11 × 237,104.82
  4. Step 4: Simplify right side
    288,543.06x = 103,089,406,954.89
  5. Step 5: Solve for x
    x = 103,089,406,954.89/288,543.06
  6. Step 6: Final answer
    x = 357,275.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.