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Finding the Fourth Proportional to 547,363.15, 755,345.99 and 302,343.51

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Solution

The fourth proportional to 547,363.15, 755,345.99 and 302,343.51 is: 417,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,363.15 : 755,345.99 = 302,343.51 : x
  2. Step 2: Convert to fraction form
    547,363.15/755,345.99 = 302,343.51/x
  3. Step 3: Cross multiply
    547,363.15x = 755,345.99 × 302,343.51
  4. Step 4: Simplify right side
    547,363.15x = 228,373,958,946.16
  5. Step 5: Solve for x
    x = 228,373,958,946.16/547,363.15
  6. Step 6: Final answer
    x = 417,225.68

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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.