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Finding the Fourth Proportional to 360,228.80, 497,083.07 and 207,226.28

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Solution

The fourth proportional to 360,228.80, 497,083.07 and 207,226.28 is: 285,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,228.80 : 497,083.07 = 207,226.28 : x
  2. Step 2: Convert to fraction form
    360,228.80/497,083.07 = 207,226.28/x
  3. Step 3: Cross multiply
    360,228.80x = 497,083.07 × 207,226.28
  4. Step 4: Simplify right side
    360,228.80x = 103,008,671,925.53
  5. Step 5: Solve for x
    x = 103,008,671,925.53/360,228.80
  6. Step 6: Final answer
    x = 285,953.46

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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.