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Finding the Fourth Proportional to 562,275.03, 775,950.93 and 307,631.70

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Solution

The fourth proportional to 562,275.03, 775,950.93 and 307,631.70 is: 424,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,275.03 : 775,950.93 = 307,631.70 : x
  2. Step 2: Convert to fraction form
    562,275.03/775,950.93 = 307,631.70/x
  3. Step 3: Cross multiply
    562,275.03x = 775,950.93 × 307,631.70
  4. Step 4: Simplify right side
    562,275.03x = 238,707,103,712.48
  5. Step 5: Solve for x
    x = 238,707,103,712.48/562,275.03
  6. Step 6: Final answer
    x = 424,537.98

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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.