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Finding the Fourth Proportional to 595,013.65, 820,916.06 and 380,277.59

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Solution

The fourth proportional to 595,013.65, 820,916.06 and 380,277.59 is: 524,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,013.65 : 820,916.06 = 380,277.59 : x
  2. Step 2: Convert to fraction form
    595,013.65/820,916.06 = 380,277.59/x
  3. Step 3: Cross multiply
    595,013.65x = 820,916.06 × 380,277.59
  4. Step 4: Simplify right side
    595,013.65x = 312,175,978,987.71
  5. Step 5: Solve for x
    x = 312,175,978,987.71/595,013.65
  6. Step 6: Final answer
    x = 524,653.48

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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.