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Finding the Fourth Proportional to 475,234.88, 713,011.47 and 155,401.50

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Solution

The fourth proportional to 475,234.88, 713,011.47 and 155,401.50 is: 233,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,234.88 : 713,011.47 = 155,401.50 : x
  2. Step 2: Convert to fraction form
    475,234.88/713,011.47 = 155,401.50/x
  3. Step 3: Cross multiply
    475,234.88x = 713,011.47 × 155,401.50
  4. Step 4: Simplify right side
    475,234.88x = 110,803,051,955.21
  5. Step 5: Solve for x
    x = 110,803,051,955.21/475,234.88
  6. Step 6: Final answer
    x = 233,154.29

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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.