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Finding the Fourth Proportional to 333,386.02, 499,990.20 and 93,486.70

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Solution

The fourth proportional to 333,386.02, 499,990.20 and 93,486.70 is: 140,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,386.02 : 499,990.20 = 93,486.70 : x
  2. Step 2: Convert to fraction form
    333,386.02/499,990.20 = 93,486.70/x
  3. Step 3: Cross multiply
    333,386.02x = 499,990.20 × 93,486.70
  4. Step 4: Simplify right side
    333,386.02x = 46,742,433,830.34
  5. Step 5: Solve for x
    x = 46,742,433,830.34/333,386.02
  6. Step 6: Final answer
    x = 140,205.14

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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.