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Finding the Fourth Proportional to 507,368.34, 761,088.02 and 203,762.52

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Solution

The fourth proportional to 507,368.34, 761,088.02 and 203,762.52 is: 305,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,368.34 : 761,088.02 = 203,762.52 : x
  2. Step 2: Convert to fraction form
    507,368.34/761,088.02 = 203,762.52/x
  3. Step 3: Cross multiply
    507,368.34x = 761,088.02 × 203,762.52
  4. Step 4: Simplify right side
    507,368.34x = 155,081,211,878.20
  5. Step 5: Solve for x
    x = 155,081,211,878.20/507,368.34
  6. Step 6: Final answer
    x = 305,658.04

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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.