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Finding the Fourth Proportional to 338,282.16, 507,420.36 and 101,623.92

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Solution

The fourth proportional to 338,282.16, 507,420.36 and 101,623.92 is: 152,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,282.16 : 507,420.36 = 101,623.92 : x
  2. Step 2: Convert to fraction form
    338,282.16/507,420.36 = 101,623.92/x
  3. Step 3: Cross multiply
    338,282.16x = 507,420.36 × 101,623.92
  4. Step 4: Simplify right side
    338,282.16x = 51,566,046,071.01
  5. Step 5: Solve for x
    x = 51,566,046,071.01/338,282.16
  6. Step 6: Final answer
    x = 152,435.01

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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.