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Finding the Fourth Proportional to 545,596.40, 752,922.51 and 316,286.45

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Solution

The fourth proportional to 545,596.40, 752,922.51 and 316,286.45 is: 436,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,596.40 : 752,922.51 = 316,286.45 : x
  2. Step 2: Convert to fraction form
    545,596.40/752,922.51 = 316,286.45/x
  3. Step 3: Cross multiply
    545,596.40x = 752,922.51 × 316,286.45
  4. Step 4: Simplify right side
    545,596.40x = 238,139,186,236.84
  5. Step 5: Solve for x
    x = 238,139,186,236.84/545,596.40
  6. Step 6: Final answer
    x = 436,475.00

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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.