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Finding the Fourth Proportional to 475,602.84, 656,331.76 and 260,738.29

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Solution

The fourth proportional to 475,602.84, 656,331.76 and 260,738.29 is: 359,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,602.84 : 656,331.76 = 260,738.29 : x
  2. Step 2: Convert to fraction form
    475,602.84/656,331.76 = 260,738.29/x
  3. Step 3: Cross multiply
    475,602.84x = 656,331.76 × 260,738.29
  4. Step 4: Simplify right side
    475,602.84x = 171,130,821,921.43
  5. Step 5: Solve for x
    x = 171,130,821,921.43/475,602.84
  6. Step 6: Final answer
    x = 359,818.76

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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.