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Finding the Fourth Proportional to 562,555.91, 776,362.22 and 317,582.14

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Solution

The fourth proportional to 562,555.91, 776,362.22 and 317,582.14 is: 438,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,555.91 : 776,362.22 = 317,582.14 : x
  2. Step 2: Convert to fraction form
    562,555.91/776,362.22 = 317,582.14/x
  3. Step 3: Cross multiply
    562,555.91x = 776,362.22 × 317,582.14
  4. Step 4: Simplify right side
    562,555.91x = 246,558,773,175.79
  5. Step 5: Solve for x
    x = 246,558,773,175.79/562,555.91
  6. Step 6: Final answer
    x = 438,283.14

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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.