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Finding the Fourth Proportional to 360,683.32, 497,780.40 and 207,726.96

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Solution

The fourth proportional to 360,683.32, 497,780.40 and 207,726.96 is: 286,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,683.32 : 497,780.40 = 207,726.96 : x
  2. Step 2: Convert to fraction form
    360,683.32/497,780.40 = 207,726.96/x
  3. Step 3: Cross multiply
    360,683.32x = 497,780.40 × 207,726.96
  4. Step 4: Simplify right side
    360,683.32x = 103,402,409,239.58
  5. Step 5: Solve for x
    x = 103,402,409,239.58/360,683.32
  6. Step 6: Final answer
    x = 286,684.76

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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.