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Finding the Fourth Proportional to 507,014.60, 760,521.90 and 133,075.40

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Solution

The fourth proportional to 507,014.60, 760,521.90 and 133,075.40 is: 199,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,014.60 : 760,521.90 = 133,075.40 : x
  2. Step 2: Convert to fraction form
    507,014.60/760,521.90 = 133,075.40/x
  3. Step 3: Cross multiply
    507,014.60x = 760,521.90 × 133,075.40
  4. Step 4: Simplify right side
    507,014.60x = 101,206,756,051.26
  5. Step 5: Solve for x
    x = 101,206,756,051.26/507,014.60
  6. Step 6: Final answer
    x = 199,613.10

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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.