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Finding the Fourth Proportional to 499,072.92, 688,514.76 and 362,808.24

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Solution

The fourth proportional to 499,072.92, 688,514.76 and 362,808.24 is: 500,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,072.92 : 688,514.76 = 362,808.24 : x
  2. Step 2: Convert to fraction form
    499,072.92/688,514.76 = 362,808.24/x
  3. Step 3: Cross multiply
    499,072.92x = 688,514.76 × 362,808.24
  4. Step 4: Simplify right side
    499,072.92x = 249,798,828,289.62
  5. Step 5: Solve for x
    x = 249,798,828,289.62/499,072.92
  6. Step 6: Final answer
    x = 500,525.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.