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Finding the Fourth Proportional to 581,506.96, 802,362 and 339,742.84

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Solution

The fourth proportional to 581,506.96, 802,362 and 339,742.84 is: 468,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,506.96 : 802,362 = 339,742.84 : x
  2. Step 2: Convert to fraction form
    581,506.96/802,362 = 339,742.84/x
  3. Step 3: Cross multiply
    581,506.96x = 802,362 × 339,742.84
  4. Step 4: Simplify right side
    581,506.96x = 272,596,744,588.08
  5. Step 5: Solve for x
    x = 272,596,744,588.08/581,506.96
  6. Step 6: Final answer
    x = 468,776.41

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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.