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Finding the Fourth Proportional to 546,908.94, 754,431.06 and 320,510.70

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Solution

The fourth proportional to 546,908.94, 754,431.06 and 320,510.70 is: 442,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,908.94 : 754,431.06 = 320,510.70 : x
  2. Step 2: Convert to fraction form
    546,908.94/754,431.06 = 320,510.70/x
  3. Step 3: Cross multiply
    546,908.94x = 754,431.06 × 320,510.70
  4. Step 4: Simplify right side
    546,908.94x = 241,803,227,142.34
  5. Step 5: Solve for x
    x = 241,803,227,142.34/546,908.94
  6. Step 6: Final answer
    x = 442,127.03

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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.