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Finding the Fourth Proportional to 567,592.18, 783,275.07 and 312,957.34

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Solution

The fourth proportional to 567,592.18, 783,275.07 and 312,957.34 is: 431,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,592.18 : 783,275.07 = 312,957.34 : x
  2. Step 2: Convert to fraction form
    567,592.18/783,275.07 = 312,957.34/x
  3. Step 3: Cross multiply
    567,592.18x = 783,275.07 × 312,957.34
  4. Step 4: Simplify right side
    567,592.18x = 245,131,682,395.51
  5. Step 5: Solve for x
    x = 245,131,682,395.51/567,592.18
  6. Step 6: Final answer
    x = 431,879.95

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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.