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Finding the Fourth Proportional to 562,434.16, 776,193.42 and 320,763.37

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Solution

The fourth proportional to 562,434.16, 776,193.42 and 320,763.37 is: 442,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,434.16 : 776,193.42 = 320,763.37 : x
  2. Step 2: Convert to fraction form
    562,434.16/776,193.42 = 320,763.37/x
  3. Step 3: Cross multiply
    562,434.16x = 776,193.42 × 320,763.37
  4. Step 4: Simplify right side
    562,434.16x = 248,974,417,171.03
  5. Step 5: Solve for x
    x = 248,974,417,171.03/562,434.16
  6. Step 6: Final answer
    x = 442,673.00

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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.