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Finding the Fourth Proportional to 663,095.85, 993,807.45 and 283,567.92

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Solution

The fourth proportional to 663,095.85, 993,807.45 and 283,567.92 is: 424,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,095.85 : 993,807.45 = 283,567.92 : x
  2. Step 2: Convert to fraction form
    663,095.85/993,807.45 = 283,567.92/x
  3. Step 3: Cross multiply
    663,095.85x = 993,807.45 × 283,567.92
  4. Step 4: Simplify right side
    663,095.85x = 281,811,911,477.00
  5. Step 5: Solve for x
    x = 281,811,911,477.00/663,095.85
  6. Step 6: Final answer
    x = 424,994.23

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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.