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Finding the Fourth Proportional to 663,114.48, 994,678.56 and 530,835.72

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Solution

The fourth proportional to 663,114.48, 994,678.56 and 530,835.72 is: 796,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,114.48 : 994,678.56 = 530,835.72 : x
  2. Step 2: Convert to fraction form
    663,114.48/994,678.56 = 530,835.72/x
  3. Step 3: Cross multiply
    663,114.48x = 994,678.56 × 530,835.72
  4. Step 4: Simplify right side
    663,114.48x = 528,010,909,566.16
  5. Step 5: Solve for x
    x = 528,010,909,566.16/663,114.48
  6. Step 6: Final answer
    x = 796,259.06

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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.