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Finding the Fourth Proportional to 519,364.90, 778,852.95 and 182,275.30

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Solution

The fourth proportional to 519,364.90, 778,852.95 and 182,275.30 is: 273,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,364.90 : 778,852.95 = 182,275.30 : x
  2. Step 2: Convert to fraction form
    519,364.90/778,852.95 = 182,275.30/x
  3. Step 3: Cross multiply
    519,364.90x = 778,852.95 × 182,275.30
  4. Step 4: Simplify right side
    519,364.90x = 141,965,655,117.14
  5. Step 5: Solve for x
    x = 141,965,655,117.14/519,364.90
  6. Step 6: Final answer
    x = 273,344.72

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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.