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Finding the Fourth Proportional to 560,944.34, 774,164.13 and 346,078.88

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Solution

The fourth proportional to 560,944.34, 774,164.13 and 346,078.88 is: 477,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,944.34 : 774,164.13 = 346,078.88 : x
  2. Step 2: Convert to fraction form
    560,944.34/774,164.13 = 346,078.88/x
  3. Step 3: Cross multiply
    560,944.34x = 774,164.13 × 346,078.88
  4. Step 4: Simplify right side
    560,944.34x = 267,921,854,727.77
  5. Step 5: Solve for x
    x = 267,921,854,727.77/560,944.34
  6. Step 6: Final answer
    x = 477,626.45

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Double scale
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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.