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Finding the Fourth Proportional to 306,521.65, 459,848.65 and 93,306.23

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Solution

The fourth proportional to 306,521.65, 459,848.65 and 93,306.23 is: 139,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,521.65 : 459,848.65 = 93,306.23 : x
  2. Step 2: Convert to fraction form
    306,521.65/459,848.65 = 93,306.23/x
  3. Step 3: Cross multiply
    306,521.65x = 459,848.65 × 93,306.23
  4. Step 4: Simplify right side
    306,521.65x = 42,906,744,131.18
  5. Step 5: Solve for x
    x = 42,906,744,131.18/306,521.65
  6. Step 6: Final answer
    x = 139,979.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.