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Finding the Fourth Proportional to 966,376.86, 1,333,661.76 and 536,656.92

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Solution

The fourth proportional to 966,376.86, 1,333,661.76 and 536,656.92 is: 740,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,376.86 : 1,333,661.76 = 536,656.92 : x
  2. Step 2: Convert to fraction form
    966,376.86/1,333,661.76 = 536,656.92/x
  3. Step 3: Cross multiply
    966,376.86x = 1,333,661.76 × 536,656.92
  4. Step 4: Simplify right side
    966,376.86x = 715,718,812,443.38
  5. Step 5: Solve for x
    x = 715,718,812,443.38/966,376.86
  6. Step 6: Final answer
    x = 740,620.81

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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.