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Finding the Fourth Proportional to 555,764.04, 766,944.39 and 314,041.40

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Solution

The fourth proportional to 555,764.04, 766,944.39 and 314,041.40 is: 433,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,764.04 : 766,944.39 = 314,041.40 : x
  2. Step 2: Convert to fraction form
    555,764.04/766,944.39 = 314,041.40/x
  3. Step 3: Cross multiply
    555,764.04x = 766,944.39 × 314,041.40
  4. Step 4: Simplify right side
    555,764.04x = 240,852,286,123.02
  5. Step 5: Solve for x
    x = 240,852,286,123.02/555,764.04
  6. Step 6: Final answer
    x = 433,371.48

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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.