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Finding the Fourth Proportional to 562,545.48, 776,309.94 and 304,422.24

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Solution

The fourth proportional to 562,545.48, 776,309.94 and 304,422.24 is: 420,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,545.48 : 776,309.94 = 304,422.24 : x
  2. Step 2: Convert to fraction form
    562,545.48/776,309.94 = 304,422.24/x
  3. Step 3: Cross multiply
    562,545.48x = 776,309.94 × 304,422.24
  4. Step 4: Simplify right side
    562,545.48x = 236,326,010,869.07
  5. Step 5: Solve for x
    x = 236,326,010,869.07/562,545.48
  6. Step 6: Final answer
    x = 420,101.16

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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.