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Finding the Fourth Proportional to 546,972.33, 754,859.70 and 305,302.14

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Solution

The fourth proportional to 546,972.33, 754,859.70 and 305,302.14 is: 421,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,972.33 : 754,859.70 = 305,302.14 : x
  2. Step 2: Convert to fraction form
    546,972.33/754,859.70 = 305,302.14/x
  3. Step 3: Cross multiply
    546,972.33x = 754,859.70 × 305,302.14
  4. Step 4: Simplify right side
    546,972.33x = 230,460,281,809.76
  5. Step 5: Solve for x
    x = 230,460,281,809.76/546,972.33
  6. Step 6: Final answer
    x = 421,338.10

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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.