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Finding the Fourth Proportional to 562,573.13, 776,358.20 and 307,918.85

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Solution

The fourth proportional to 562,573.13, 776,358.20 and 307,918.85 is: 424,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,573.13 : 776,358.20 = 307,918.85 : x
  2. Step 2: Convert to fraction form
    562,573.13/776,358.20 = 307,918.85/x
  3. Step 3: Cross multiply
    562,573.13x = 776,358.20 × 307,918.85
  4. Step 4: Simplify right side
    562,573.13x = 239,055,321,020.08
  5. Step 5: Solve for x
    x = 239,055,321,020.08/562,573.13
  6. Step 6: Final answer
    x = 424,932.00

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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.