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Finding the Fourth Proportional to 532,289.80, 798,435.66 and 355,142.92

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Solution

The fourth proportional to 532,289.80, 798,435.66 and 355,142.92 is: 532,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,289.80 : 798,435.66 = 355,142.92 : x
  2. Step 2: Convert to fraction form
    532,289.80/798,435.66 = 355,142.92/x
  3. Step 3: Cross multiply
    532,289.80x = 798,435.66 × 355,142.92
  4. Step 4: Simplify right side
    532,289.80x = 283,558,771,724.53
  5. Step 5: Solve for x
    x = 283,558,771,724.53/532,289.80
  6. Step 6: Final answer
    x = 532,715.02

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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.