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Finding the Fourth Proportional to 539,064.51, 808,359.96 and 201,868.67

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Solution

The fourth proportional to 539,064.51, 808,359.96 and 201,868.67 is: 302,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,064.51 : 808,359.96 = 201,868.67 : x
  2. Step 2: Convert to fraction form
    539,064.51/808,359.96 = 201,868.67/x
  3. Step 3: Cross multiply
    539,064.51x = 808,359.96 × 201,868.67
  4. Step 4: Simplify right side
    539,064.51x = 163,182,545,964.65
  5. Step 5: Solve for x
    x = 163,182,545,964.65/539,064.51
  6. Step 6: Final answer
    x = 302,714.32

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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.