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Finding the Fourth Proportional to 319,586.92, 441,017.06 and 176,345.10

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Solution

The fourth proportional to 319,586.92, 441,017.06 and 176,345.10 is: 243,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,586.92 : 441,017.06 = 176,345.10 : x
  2. Step 2: Convert to fraction form
    319,586.92/441,017.06 = 176,345.10/x
  3. Step 3: Cross multiply
    319,586.92x = 441,017.06 × 176,345.10
  4. Step 4: Simplify right side
    319,586.92x = 77,771,196,665.68
  5. Step 5: Solve for x
    x = 77,771,196,665.68/319,586.92
  6. Step 6: Final answer
    x = 243,349.12

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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.