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Finding the Fourth Proportional to 315,950.58, 473,925.90 and 105,588.51

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Solution

The fourth proportional to 315,950.58, 473,925.90 and 105,588.51 is: 158,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,950.58 : 473,925.90 = 105,588.51 : x
  2. Step 2: Convert to fraction form
    315,950.58/473,925.90 = 105,588.51/x
  3. Step 3: Cross multiply
    315,950.58x = 473,925.90 × 105,588.51
  4. Step 4: Simplify right side
    315,950.58x = 50,041,129,631.41
  5. Step 5: Solve for x
    x = 50,041,129,631.41/315,950.58
  6. Step 6: Final answer
    x = 158,382.78

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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.