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Finding the Fourth Proportional to 473,228.53, 652,868.61 and 291,624.15

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Solution

The fourth proportional to 473,228.53, 652,868.61 and 291,624.15 is: 402,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,228.53 : 652,868.61 = 291,624.15 : x
  2. Step 2: Convert to fraction form
    473,228.53/652,868.61 = 291,624.15/x
  3. Step 3: Cross multiply
    473,228.53x = 652,868.61 × 291,624.15
  4. Step 4: Simplify right side
    473,228.53x = 190,392,251,135.21
  5. Step 5: Solve for x
    x = 190,392,251,135.21/473,228.53
  6. Step 6: Final answer
    x = 402,326.23

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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.