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Finding the Fourth Proportional to 576,657.20, 864,983.76 and 155,933.04

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Solution

The fourth proportional to 576,657.20, 864,983.76 and 155,933.04 is: 233,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,657.20 : 864,983.76 = 155,933.04 : x
  2. Step 2: Convert to fraction form
    576,657.20/864,983.76 = 155,933.04/x
  3. Step 3: Cross multiply
    576,657.20x = 864,983.76 × 155,933.04
  4. Step 4: Simplify right side
    576,657.20x = 134,879,547,247.43
  5. Step 5: Solve for x
    x = 134,879,547,247.43/576,657.20
  6. Step 6: Final answer
    x = 233,899.01

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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.