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Finding the Fourth Proportional to 519,225.40, 778,943.40 and 294,693.40

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Solution

The fourth proportional to 519,225.40, 778,943.40 and 294,693.40 is: 442,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,225.40 : 778,943.40 = 294,693.40 : x
  2. Step 2: Convert to fraction form
    519,225.40/778,943.40 = 294,693.40/x
  3. Step 3: Cross multiply
    519,225.40x = 778,943.40 × 294,693.40
  4. Step 4: Simplify right side
    519,225.40x = 229,549,478,953.56
  5. Step 5: Solve for x
    x = 229,549,478,953.56/519,225.40
  6. Step 6: Final answer
    x = 442,099.86

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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.