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Finding the Fourth Proportional to 551,451.04, 760,808.64 and 360,576.16

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Solution

The fourth proportional to 551,451.04, 760,808.64 and 360,576.16 is: 497,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,451.04 : 760,808.64 = 360,576.16 : x
  2. Step 2: Convert to fraction form
    551,451.04/760,808.64 = 360,576.16/x
  3. Step 3: Cross multiply
    551,451.04x = 760,808.64 × 360,576.16
  4. Step 4: Simplify right side
    551,451.04x = 274,329,457,906.02
  5. Step 5: Solve for x
    x = 274,329,457,906.02/551,451.04
  6. Step 6: Final answer
    x = 497,468.38

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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.