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Finding the Fourth Proportional to 519,022.16, 716,249.40 and 292,666.04

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Solution

The fourth proportional to 519,022.16, 716,249.40 and 292,666.04 is: 403,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,022.16 : 716,249.40 = 292,666.04 : x
  2. Step 2: Convert to fraction form
    519,022.16/716,249.40 = 292,666.04/x
  3. Step 3: Cross multiply
    519,022.16x = 716,249.40 × 292,666.04
  4. Step 4: Simplify right side
    519,022.16x = 209,621,875,550.38
  5. Step 5: Solve for x
    x = 209,621,875,550.38/519,022.16
  6. Step 6: Final answer
    x = 403,878.47

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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.