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Finding the Fourth Proportional to 590,674.20, 886,448.70 and 433,210.20

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Solution

The fourth proportional to 590,674.20, 886,448.70 and 433,210.20 is: 650,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,674.20 : 886,448.70 = 433,210.20 : x
  2. Step 2: Convert to fraction form
    590,674.20/886,448.70 = 433,210.20/x
  3. Step 3: Cross multiply
    590,674.20x = 886,448.70 × 433,210.20
  4. Step 4: Simplify right side
    590,674.20x = 384,018,618,616.74
  5. Step 5: Solve for x
    x = 384,018,618,616.74/590,674.20
  6. Step 6: Final answer
    x = 650,136.10

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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.