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Finding the Fourth Proportional to 476,795.66, 714,528.48 and 358,328.30

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Solution

The fourth proportional to 476,795.66, 714,528.48 and 358,328.30 is: 536,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,795.66 : 714,528.48 = 358,328.30 : x
  2. Step 2: Convert to fraction form
    476,795.66/714,528.48 = 358,328.30/x
  3. Step 3: Cross multiply
    476,795.66x = 714,528.48 × 358,328.30
  4. Step 4: Simplify right side
    476,795.66x = 256,035,775,539.98
  5. Step 5: Solve for x
    x = 256,035,775,539.98/476,795.66
  6. Step 6: Final answer
    x = 536,992.67

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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.