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Finding the Fourth Proportional to 648,484.83, 894,924.15 and 406,777.59

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Solution

The fourth proportional to 648,484.83, 894,924.15 and 406,777.59 is: 561,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,484.83 : 894,924.15 = 406,777.59 : x
  2. Step 2: Convert to fraction form
    648,484.83/894,924.15 = 406,777.59/x
  3. Step 3: Cross multiply
    648,484.83x = 894,924.15 × 406,777.59
  4. Step 4: Simplify right side
    648,484.83x = 364,035,088,969.80
  5. Step 5: Solve for x
    x = 364,035,088,969.80/648,484.83
  6. Step 6: Final answer
    x = 561,362.54

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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.