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Finding the Fourth Proportional to 435,572.76, 601,185.42 and 313,391.64

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Solution

The fourth proportional to 435,572.76, 601,185.42 and 313,391.64 is: 432,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,572.76 : 601,185.42 = 313,391.64 : x
  2. Step 2: Convert to fraction form
    435,572.76/601,185.42 = 313,391.64/x
  3. Step 3: Cross multiply
    435,572.76x = 601,185.42 × 313,391.64
  4. Step 4: Simplify right side
    435,572.76x = 188,406,484,717.89
  5. Step 5: Solve for x
    x = 188,406,484,717.89/435,572.76
  6. Step 6: Final answer
    x = 432,548.82

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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.