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Finding the Fourth Proportional to 501,955.36, 692,710.42 and 272,522.30

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Solution

The fourth proportional to 501,955.36, 692,710.42 and 272,522.30 is: 376,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,955.36 : 692,710.42 = 272,522.30 : x
  2. Step 2: Convert to fraction form
    501,955.36/692,710.42 = 272,522.30/x
  3. Step 3: Cross multiply
    501,955.36x = 692,710.42 × 272,522.30
  4. Step 4: Simplify right side
    501,955.36x = 188,779,036,892.37
  5. Step 5: Solve for x
    x = 188,779,036,892.37/501,955.36
  6. Step 6: Final answer
    x = 376,087.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.