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Finding the Fourth Proportional to 368,498.05, 508,804.47 and 362,612.71

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Solution

The fourth proportional to 368,498.05, 508,804.47 and 362,612.71 is: 500,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,498.05 : 508,804.47 = 362,612.71 : x
  2. Step 2: Convert to fraction form
    368,498.05/508,804.47 = 362,612.71/x
  3. Step 3: Cross multiply
    368,498.05x = 508,804.47 × 362,612.71
  4. Step 4: Simplify right side
    368,498.05x = 184,498,967,726.81
  5. Step 5: Solve for x
    x = 184,498,967,726.81/368,498.05
  6. Step 6: Final answer
    x = 500,678.27

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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.