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Finding the Fourth Proportional to 526,937.59, 790,316.47 and 189,911.17

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Solution

The fourth proportional to 526,937.59, 790,316.47 and 189,911.17 is: 284,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,937.59 : 790,316.47 = 189,911.17 : x
  2. Step 2: Convert to fraction form
    526,937.59/790,316.47 = 189,911.17/x
  3. Step 3: Cross multiply
    526,937.59x = 790,316.47 × 189,911.17
  4. Step 4: Simplify right side
    526,937.59x = 150,089,925,487.97
  5. Step 5: Solve for x
    x = 150,089,925,487.97/526,937.59
  6. Step 6: Final answer
    x = 284,834.35

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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.