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Finding the Fourth Proportional to 713,279.18, 984,425.94 and 441,434.60

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Solution

The fourth proportional to 713,279.18, 984,425.94 and 441,434.60 is: 609,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,279.18 : 984,425.94 = 441,434.60 : x
  2. Step 2: Convert to fraction form
    713,279.18/984,425.94 = 441,434.60/x
  3. Step 3: Cross multiply
    713,279.18x = 984,425.94 × 441,434.60
  4. Step 4: Simplify right side
    713,279.18x = 434,559,671,053.52
  5. Step 5: Solve for x
    x = 434,559,671,053.52/713,279.18
  6. Step 6: Final answer
    x = 609,242.05

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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.