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Finding the Fourth Proportional to 374,547.35, 563,038.97 and 300,477.83

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Solution

The fourth proportional to 374,547.35, 563,038.97 and 300,477.83 is: 451,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,547.35 : 563,038.97 = 300,477.83 : x
  2. Step 2: Convert to fraction form
    374,547.35/563,038.97 = 300,477.83/x
  3. Step 3: Cross multiply
    374,547.35x = 563,038.97 × 300,477.83
  4. Step 4: Simplify right side
    374,547.35x = 169,180,723,593.45
  5. Step 5: Solve for x
    x = 169,180,723,593.45/374,547.35
  6. Step 6: Final answer
    x = 451,693.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.