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Finding the Fourth Proportional to 595,011.15, 820,912.61 and 380,275.08

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Solution

The fourth proportional to 595,011.15, 820,912.61 and 380,275.08 is: 524,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,011.15 : 820,912.61 = 380,275.08 : x
  2. Step 2: Convert to fraction form
    595,011.15/820,912.61 = 380,275.08/x
  3. Step 3: Cross multiply
    595,011.15x = 820,912.61 × 380,275.08
  4. Step 4: Simplify right side
    595,011.15x = 312,172,608,440.76
  5. Step 5: Solve for x
    x = 312,172,608,440.76/595,011.15
  6. Step 6: Final answer
    x = 524,650.01

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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.