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Finding the Fourth Proportional to 561,532.13, 774,694.59 and 346,298.57

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Solution

The fourth proportional to 561,532.13, 774,694.59 and 346,298.57 is: 477,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,532.13 : 774,694.59 = 346,298.57 : x
  2. Step 2: Convert to fraction form
    561,532.13/774,694.59 = 346,298.57/x
  3. Step 3: Cross multiply
    561,532.13x = 774,694.59 × 346,298.57
  4. Step 4: Simplify right side
    561,532.13x = 268,275,628,703.74
  5. Step 5: Solve for x
    x = 268,275,628,703.74/561,532.13
  6. Step 6: Final answer
    x = 477,756.51

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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.