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Finding the Fourth Proportional to 684,459.68, 944,680.73 and 439,750.35

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Solution

The fourth proportional to 684,459.68, 944,680.73 and 439,750.35 is: 606,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,459.68 : 944,680.73 = 439,750.35 : x
  2. Step 2: Convert to fraction form
    684,459.68/944,680.73 = 439,750.35/x
  3. Step 3: Cross multiply
    684,459.68x = 944,680.73 × 439,750.35
  4. Step 4: Simplify right side
    684,459.68x = 415,423,679,457.00
  5. Step 5: Solve for x
    x = 415,423,679,457.00/684,459.68
  6. Step 6: Final answer
    x = 606,936.68

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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.