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Finding the Fourth Proportional to 507,352.02, 761,063.54 and 203,746.13

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Solution

The fourth proportional to 507,352.02, 761,063.54 and 203,746.13 is: 305,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,352.02 : 761,063.54 = 203,746.13 : x
  2. Step 2: Convert to fraction form
    507,352.02/761,063.54 = 203,746.13/x
  3. Step 3: Cross multiply
    507,352.02x = 761,063.54 × 203,746.13
  4. Step 4: Simplify right side
    507,352.02x = 155,063,746,135.05
  5. Step 5: Solve for x
    x = 155,063,746,135.05/507,352.02
  6. Step 6: Final answer
    x = 305,633.45

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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.