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Finding the Fourth Proportional to 464,252.72, 695,482.40 and 342,458.69

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Solution

The fourth proportional to 464,252.72, 695,482.40 and 342,458.69 is: 513,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,252.72 : 695,482.40 = 342,458.69 : x
  2. Step 2: Convert to fraction form
    464,252.72/695,482.40 = 342,458.69/x
  3. Step 3: Cross multiply
    464,252.72x = 695,482.40 × 342,458.69
  4. Step 4: Simplify right side
    464,252.72x = 238,173,988,171.06
  5. Step 5: Solve for x
    x = 238,173,988,171.06/464,252.72
  6. Step 6: Final answer
    x = 513,026.59

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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.