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Finding the Fourth Proportional to 688,447, 950,053.80 and 382,573.18

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Solution

The fourth proportional to 688,447, 950,053.80 and 382,573.18 is: 527,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,447 : 950,053.80 = 382,573.18 : x
  2. Step 2: Convert to fraction form
    688,447/950,053.80 = 382,573.18/x
  3. Step 3: Cross multiply
    688,447x = 950,053.80 × 382,573.18
  4. Step 4: Simplify right side
    688,447x = 363,465,103,437.08
  5. Step 5: Solve for x
    x = 363,465,103,437.08/688,447
  6. Step 6: Final answer
    x = 527,949.29

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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.