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Finding the Fourth Proportional to 574,345.44, 792,622.80 and 319,712.76

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Solution

The fourth proportional to 574,345.44, 792,622.80 and 319,712.76 is: 441,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,345.44 : 792,622.80 = 319,712.76 : x
  2. Step 2: Convert to fraction form
    574,345.44/792,622.80 = 319,712.76/x
  3. Step 3: Cross multiply
    574,345.44x = 792,622.80 × 319,712.76
  4. Step 4: Simplify right side
    574,345.44x = 253,411,623,026.93
  5. Step 5: Solve for x
    x = 253,411,623,026.93/574,345.44
  6. Step 6: Final answer
    x = 441,218.13

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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.