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Finding the Fourth Proportional to 432,095.46, 596,172.14 and 279,139.70

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Solution

The fourth proportional to 432,095.46, 596,172.14 and 279,139.70 is: 385,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,095.46 : 596,172.14 = 279,139.70 : x
  2. Step 2: Convert to fraction form
    432,095.46/596,172.14 = 279,139.70/x
  3. Step 3: Cross multiply
    432,095.46x = 596,172.14 × 279,139.70
  4. Step 4: Simplify right side
    432,095.46x = 166,415,312,307.96
  5. Step 5: Solve for x
    x = 166,415,312,307.96/432,095.46
  6. Step 6: Final answer
    x = 385,135.53

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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.