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Finding the Fourth Proportional to 478,925.30, 659,701.78 and 365,551.22

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Solution

The fourth proportional to 478,925.30, 659,701.78 and 365,551.22 is: 503,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,925.30 : 659,701.78 = 365,551.22 : x
  2. Step 2: Convert to fraction form
    478,925.30/659,701.78 = 365,551.22/x
  3. Step 3: Cross multiply
    478,925.30x = 659,701.78 × 365,551.22
  4. Step 4: Simplify right side
    478,925.30x = 241,154,786,302.79
  5. Step 5: Solve for x
    x = 241,154,786,302.79/478,925.30
  6. Step 6: Final answer
    x = 503,533.20

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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.