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Finding the Fourth Proportional to 479,617.86, 715,258.02 and 473,182.50

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Solution

The fourth proportional to 479,617.86, 715,258.02 and 473,182.50 is: 705,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,617.86 : 715,258.02 = 473,182.50 : x
  2. Step 2: Convert to fraction form
    479,617.86/715,258.02 = 473,182.50/x
  3. Step 3: Cross multiply
    479,617.86x = 715,258.02 × 473,182.50
  4. Step 4: Simplify right side
    479,617.86x = 338,447,578,048.65
  5. Step 5: Solve for x
    x = 338,447,578,048.65/479,617.86
  6. Step 6: Final answer
    x = 705,660.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.