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Finding the Fourth Proportional to 590,876.76, 816,088.86 and 430,449.24

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Solution

The fourth proportional to 590,876.76, 816,088.86 and 430,449.24 is: 594,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,876.76 : 816,088.86 = 430,449.24 : x
  2. Step 2: Convert to fraction form
    590,876.76/816,088.86 = 430,449.24/x
  3. Step 3: Cross multiply
    590,876.76x = 816,088.86 × 430,449.24
  4. Step 4: Simplify right side
    590,876.76x = 351,284,829,559.47
  5. Step 5: Solve for x
    x = 351,284,829,559.47/590,876.76
  6. Step 6: Final answer
    x = 594,514.55

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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.