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Finding the Fourth Proportional to 581,294.89, 802,262.10 and 326,646.10

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Solution

The fourth proportional to 581,294.89, 802,262.10 and 326,646.10 is: 450,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,294.89 : 802,262.10 = 326,646.10 : x
  2. Step 2: Convert to fraction form
    581,294.89/802,262.10 = 326,646.10/x
  3. Step 3: Cross multiply
    581,294.89x = 802,262.10 × 326,646.10
  4. Step 4: Simplify right side
    581,294.89x = 262,055,786,142.81
  5. Step 5: Solve for x
    x = 262,055,786,142.81/581,294.89
  6. Step 6: Final answer
    x = 450,813.85

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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.