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Finding the Fourth Proportional to 293,453.40, 440,180.10 and 291,703.80

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Solution

The fourth proportional to 293,453.40, 440,180.10 and 291,703.80 is: 437,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,453.40 : 440,180.10 = 291,703.80 : x
  2. Step 2: Convert to fraction form
    293,453.40/440,180.10 = 291,703.80/x
  3. Step 3: Cross multiply
    293,453.40x = 440,180.10 × 291,703.80
  4. Step 4: Simplify right side
    293,453.40x = 128,402,207,854.38
  5. Step 5: Solve for x
    x = 128,402,207,854.38/293,453.40
  6. Step 6: Final answer
    x = 437,555.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.