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Finding the Fourth Proportional to 273,547.74, 377,514.90 and 152,712.75

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Solution

The fourth proportional to 273,547.74, 377,514.90 and 152,712.75 is: 210,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,547.74 : 377,514.90 = 152,712.75 : x
  2. Step 2: Convert to fraction form
    273,547.74/377,514.90 = 152,712.75/x
  3. Step 3: Cross multiply
    273,547.74x = 377,514.90 × 152,712.75
  4. Step 4: Simplify right side
    273,547.74x = 57,651,338,544.98
  5. Step 5: Solve for x
    x = 57,651,338,544.98/273,547.74
  6. Step 6: Final answer
    x = 210,754.21

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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.