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Finding the Fourth Proportional to 573,111.64, 790,835.16 and 358,275.34

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Solution

The fourth proportional to 573,111.64, 790,835.16 and 358,275.34 is: 494,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,111.64 : 790,835.16 = 358,275.34 : x
  2. Step 2: Convert to fraction form
    573,111.64/790,835.16 = 358,275.34/x
  3. Step 3: Cross multiply
    573,111.64x = 790,835.16 × 358,275.34
  4. Step 4: Simplify right side
    573,111.64x = 283,336,735,832.95
  5. Step 5: Solve for x
    x = 283,336,735,832.95/573,111.64
  6. Step 6: Final answer
    x = 494,383.15

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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.