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Finding the Fourth Proportional to 364,373.06, 502,453.28 and 313,558.11

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Solution

The fourth proportional to 364,373.06, 502,453.28 and 313,558.11 is: 432,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,373.06 : 502,453.28 = 313,558.11 : x
  2. Step 2: Convert to fraction form
    364,373.06/502,453.28 = 313,558.11/x
  3. Step 3: Cross multiply
    364,373.06x = 502,453.28 × 313,558.11
  4. Step 4: Simplify right side
    364,373.06x = 157,548,301,624.00
  5. Step 5: Solve for x
    x = 157,548,301,624.00/364,373.06
  6. Step 6: Final answer
    x = 432,381.87

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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.