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Finding the Fourth Proportional to 375,507, 563,386.20 and 122,799.12

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Solution

The fourth proportional to 375,507, 563,386.20 and 122,799.12 is: 184,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,507 : 563,386.20 = 122,799.12 : x
  2. Step 2: Convert to fraction form
    375,507/563,386.20 = 122,799.12/x
  3. Step 3: Cross multiply
    375,507x = 563,386.20 × 122,799.12
  4. Step 4: Simplify right side
    375,507x = 69,183,329,580.14
  5. Step 5: Solve for x
    x = 69,183,329,580.14/375,507
  6. Step 6: Final answer
    x = 184,239.79

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1.5x scale

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.