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Finding the Fourth Proportional to 556,044.75, 767,423.70 and 352,114.29

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Solution

The fourth proportional to 556,044.75, 767,423.70 and 352,114.29 is: 485,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,044.75 : 767,423.70 = 352,114.29 : x
  2. Step 2: Convert to fraction form
    556,044.75/767,423.70 = 352,114.29/x
  3. Step 3: Cross multiply
    556,044.75x = 767,423.70 × 352,114.29
  4. Step 4: Simplify right side
    556,044.75x = 270,220,851,254.67
  5. Step 5: Solve for x
    x = 270,220,851,254.67/556,044.75
  6. Step 6: Final answer
    x = 485,969.61

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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.