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Finding the Fourth Proportional to 375,047.04, 517,436.16 and 213,785.76

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Solution

The fourth proportional to 375,047.04, 517,436.16 and 213,785.76 is: 294,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,047.04 : 517,436.16 = 213,785.76 : x
  2. Step 2: Convert to fraction form
    375,047.04/517,436.16 = 213,785.76/x
  3. Step 3: Cross multiply
    375,047.04x = 517,436.16 × 213,785.76
  4. Step 4: Simplify right side
    375,047.04x = 110,620,482,717.08
  5. Step 5: Solve for x
    x = 110,620,482,717.08/375,047.04
  6. Step 6: Final answer
    x = 294,950.96

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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.