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Finding the Fourth Proportional to 576,341.84, 795,363.72 and 321,703.76

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Solution

The fourth proportional to 576,341.84, 795,363.72 and 321,703.76 is: 443,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,341.84 : 795,363.72 = 321,703.76 : x
  2. Step 2: Convert to fraction form
    576,341.84/795,363.72 = 321,703.76/x
  3. Step 3: Cross multiply
    576,341.84x = 795,363.72 × 321,703.76
  4. Step 4: Simplify right side
    576,341.84x = 255,871,499,291.59
  5. Step 5: Solve for x
    x = 255,871,499,291.59/576,341.84
  6. Step 6: Final answer
    x = 443,957.88

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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.