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Finding the Fourth Proportional to 509,276.32, 702,555.60 and 339,292.96

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Solution

The fourth proportional to 509,276.32, 702,555.60 and 339,292.96 is: 468,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,276.32 : 702,555.60 = 339,292.96 : x
  2. Step 2: Convert to fraction form
    509,276.32/702,555.60 = 339,292.96/x
  3. Step 3: Cross multiply
    509,276.32x = 702,555.60 × 339,292.96
  4. Step 4: Simplify right side
    509,276.32x = 238,372,169,088.58
  5. Step 5: Solve for x
    x = 238,372,169,088.58/509,276.32
  6. Step 6: Final answer
    x = 468,060.58

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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.