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Finding the Fourth Proportional to 555,547.68, 833,661.72 and 239,997.60

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Solution

The fourth proportional to 555,547.68, 833,661.72 and 239,997.60 is: 360,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,547.68 : 833,661.72 = 239,997.60 : x
  2. Step 2: Convert to fraction form
    555,547.68/833,661.72 = 239,997.60/x
  3. Step 3: Cross multiply
    555,547.68x = 833,661.72 × 239,997.60
  4. Step 4: Simplify right side
    555,547.68x = 200,076,812,011.87
  5. Step 5: Solve for x
    x = 200,076,812,011.87/555,547.68
  6. Step 6: Final answer
    x = 360,143.37

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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.