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Finding the Fourth Proportional to 595,024.56, 820,928.70 and 380,290.32

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Solution

The fourth proportional to 595,024.56, 820,928.70 and 380,290.32 is: 524,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,024.56 : 820,928.70 = 380,290.32 : x
  2. Step 2: Convert to fraction form
    595,024.56/820,928.70 = 380,290.32/x
  3. Step 3: Cross multiply
    595,024.56x = 820,928.70 × 380,290.32
  4. Step 4: Simplify right side
    595,024.56x = 312,191,238,020.18
  5. Step 5: Solve for x
    x = 312,191,238,020.18/595,024.56
  6. Step 6: Final answer
    x = 524,669.50

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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.