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Finding the Fourth Proportional to 594,541.52, 820,413 and 352,782.48

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Solution

The fourth proportional to 594,541.52, 820,413 and 352,782.48 is: 486,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,541.52 : 820,413 = 352,782.48 : x
  2. Step 2: Convert to fraction form
    594,541.52/820,413 = 352,782.48/x
  3. Step 3: Cross multiply
    594,541.52x = 820,413 × 352,782.48
  4. Step 4: Simplify right side
    594,541.52x = 289,427,332,764.24
  5. Step 5: Solve for x
    x = 289,427,332,764.24/594,541.52
  6. Step 6: Final answer
    x = 486,807.60

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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.