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Finding the Fourth Proportional to 595,479.80, 893,478.90 and 299,991.80

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Solution

The fourth proportional to 595,479.80, 893,478.90 and 299,991.80 is: 450,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,479.80 : 893,478.90 = 299,991.80 : x
  2. Step 2: Convert to fraction form
    595,479.80/893,478.90 = 299,991.80/x
  3. Step 3: Cross multiply
    595,479.80x = 893,478.90 × 299,991.80
  4. Step 4: Simplify right side
    595,479.80x = 268,036,343,473.02
  5. Step 5: Solve for x
    x = 268,036,343,473.02/595,479.80
  6. Step 6: Final answer
    x = 450,118.28

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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.