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Finding the Fourth Proportional to 243,472.54, 336,207.54 and 151,748.37

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Solution

The fourth proportional to 243,472.54, 336,207.54 and 151,748.37 is: 209,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,472.54 : 336,207.54 = 151,748.37 : x
  2. Step 2: Convert to fraction form
    243,472.54/336,207.54 = 151,748.37/x
  3. Step 3: Cross multiply
    243,472.54x = 336,207.54 × 151,748.37
  4. Step 4: Simplify right side
    243,472.54x = 51,018,946,176.71
  5. Step 5: Solve for x
    x = 51,018,946,176.71/243,472.54
  6. Step 6: Final answer
    x = 209,547.02

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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.