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Finding the Fourth Proportional to 509,590.16, 703,302.66 and 328,827.62

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Solution

The fourth proportional to 509,590.16, 703,302.66 and 328,827.62 is: 453,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,590.16 : 703,302.66 = 328,827.62 : x
  2. Step 2: Convert to fraction form
    509,590.16/703,302.66 = 328,827.62/x
  3. Step 3: Cross multiply
    509,590.16x = 703,302.66 × 328,827.62
  4. Step 4: Simplify right side
    509,590.16x = 231,265,339,827.47
  5. Step 5: Solve for x
    x = 231,265,339,827.47/509,590.16
  6. Step 6: Final answer
    x = 453,826.15

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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.