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Finding the Fourth Proportional to 364,671.16, 502,643.88 and 243,768.34

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Solution

The fourth proportional to 364,671.16, 502,643.88 and 243,768.34 is: 335,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,671.16 : 502,643.88 = 243,768.34 : x
  2. Step 2: Convert to fraction form
    364,671.16/502,643.88 = 243,768.34/x
  3. Step 3: Cross multiply
    364,671.16x = 502,643.88 × 243,768.34
  4. Step 4: Simplify right side
    364,671.16x = 122,528,662,039.69
  5. Step 5: Solve for x
    x = 122,528,662,039.69/364,671.16
  6. Step 6: Final answer
    x = 335,997.67

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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.