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Finding the Fourth Proportional to 438,294.32, 604,845.72 and 237,089.84

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Solution

The fourth proportional to 438,294.32, 604,845.72 and 237,089.84 is: 327,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,294.32 : 604,845.72 = 237,089.84 : x
  2. Step 2: Convert to fraction form
    438,294.32/604,845.72 = 237,089.84/x
  3. Step 3: Cross multiply
    438,294.32x = 604,845.72 × 237,089.84
  4. Step 4: Simplify right side
    438,294.32x = 143,402,774,979.49
  5. Step 5: Solve for x
    x = 143,402,774,979.49/438,294.32
  6. Step 6: Final answer
    x = 327,183.74

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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.