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Finding the Fourth Proportional to 532,677.51, 735,116.58 and 306,323.01

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Solution

The fourth proportional to 532,677.51, 735,116.58 and 306,323.01 is: 422,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,677.51 : 735,116.58 = 306,323.01 : x
  2. Step 2: Convert to fraction form
    532,677.51/735,116.58 = 306,323.01/x
  3. Step 3: Cross multiply
    532,677.51x = 735,116.58 × 306,323.01
  4. Step 4: Simplify right side
    532,677.51x = 225,183,123,486.51
  5. Step 5: Solve for x
    x = 225,183,123,486.51/532,677.51
  6. Step 6: Final answer
    x = 422,738.18

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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.