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Finding the Fourth Proportional to 580,496.16, 870,994.80 and 300,210.24

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Solution

The fourth proportional to 580,496.16, 870,994.80 and 300,210.24 is: 450,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,496.16 : 870,994.80 = 300,210.24 : x
  2. Step 2: Convert to fraction form
    580,496.16/870,994.80 = 300,210.24/x
  3. Step 3: Cross multiply
    580,496.16x = 870,994.80 × 300,210.24
  4. Step 4: Simplify right side
    580,496.16x = 261,481,557,946.75
  5. Step 5: Solve for x
    x = 261,481,557,946.75/580,496.16
  6. Step 6: Final answer
    x = 450,444.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.