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Finding the Fourth Proportional to 581,508.96, 802,364.76 and 339,744.84

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Solution

The fourth proportional to 581,508.96, 802,364.76 and 339,744.84 is: 468,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,508.96 : 802,364.76 = 339,744.84 : x
  2. Step 2: Convert to fraction form
    581,508.96/802,364.76 = 339,744.84/x
  3. Step 3: Cross multiply
    581,508.96x = 802,364.76 × 339,744.84
  4. Step 4: Simplify right side
    581,508.96x = 272,599,287,007.84
  5. Step 5: Solve for x
    x = 272,599,287,007.84/581,508.96
  6. Step 6: Final answer
    x = 468,779.17

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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.