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Finding the Fourth Proportional to 611,554.72, 917,552.24 and 274,569.12

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Solution

The fourth proportional to 611,554.72, 917,552.24 and 274,569.12 is: 411,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,554.72 : 917,552.24 = 274,569.12 : x
  2. Step 2: Convert to fraction form
    611,554.72/917,552.24 = 274,569.12/x
  3. Step 3: Cross multiply
    611,554.72x = 917,552.24 × 274,569.12
  4. Step 4: Simplify right side
    611,554.72x = 251,931,511,090.83
  5. Step 5: Solve for x
    x = 251,931,511,090.83/611,554.72
  6. Step 6: Final answer
    x = 411,952.53

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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.