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Finding the Fourth Proportional to 603,565.76, 832,551.68 and 358,384.32

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Solution

The fourth proportional to 603,565.76, 832,551.68 and 358,384.32 is: 494,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,565.76 : 832,551.68 = 358,384.32 : x
  2. Step 2: Convert to fraction form
    603,565.76/832,551.68 = 358,384.32/x
  3. Step 3: Cross multiply
    603,565.76x = 832,551.68 × 358,384.32
  4. Step 4: Simplify right side
    603,565.76x = 298,373,467,701.66
  5. Step 5: Solve for x
    x = 298,373,467,701.66/603,565.76
  6. Step 6: Final answer
    x = 494,351.22

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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.