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Finding the Fourth Proportional to 440,327.40, 607,837.86 and 297,281.22

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Solution

The fourth proportional to 440,327.40, 607,837.86 and 297,281.22 is: 410,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,327.40 : 607,837.86 = 297,281.22 : x
  2. Step 2: Convert to fraction form
    440,327.40/607,837.86 = 297,281.22/x
  3. Step 3: Cross multiply
    440,327.40x = 607,837.86 × 297,281.22
  4. Step 4: Simplify right side
    440,327.40x = 180,698,780,582.99
  5. Step 5: Solve for x
    x = 180,698,780,582.99/440,327.40
  6. Step 6: Final answer
    x = 410,373.69

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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.