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Finding the Fourth Proportional to 357,206.93, 535,903.76 and 207,303.12

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Solution

The fourth proportional to 357,206.93, 535,903.76 and 207,303.12 is: 311,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,206.93 : 535,903.76 = 207,303.12 : x
  2. Step 2: Convert to fraction form
    357,206.93/535,903.76 = 207,303.12/x
  3. Step 3: Cross multiply
    357,206.93x = 535,903.76 × 207,303.12
  4. Step 4: Simplify right side
    357,206.93x = 111,094,521,369.86
  5. Step 5: Solve for x
    x = 111,094,521,369.86/357,206.93
  6. Step 6: Final answer
    x = 311,008.86

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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.