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Finding the Fourth Proportional to 546,534.64, 754,283.60 and 320,180.12

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Solution

The fourth proportional to 546,534.64, 754,283.60 and 320,180.12 is: 441,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,534.64 : 754,283.60 = 320,180.12 : x
  2. Step 2: Convert to fraction form
    546,534.64/754,283.60 = 320,180.12/x
  3. Step 3: Cross multiply
    546,534.64x = 754,283.60 × 320,180.12
  4. Step 4: Simplify right side
    546,534.64x = 241,506,613,562.03
  5. Step 5: Solve for x
    x = 241,506,613,562.03/546,534.64
  6. Step 6: Final answer
    x = 441,887.11

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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.