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Finding the Fourth Proportional to 440,281.78, 607,603.88 and 246,697.58

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Solution

The fourth proportional to 440,281.78, 607,603.88 and 246,697.58 is: 340,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,281.78 : 607,603.88 = 246,697.58 : x
  2. Step 2: Convert to fraction form
    440,281.78/607,603.88 = 246,697.58/x
  3. Step 3: Cross multiply
    440,281.78x = 607,603.88 × 246,697.58
  4. Step 4: Simplify right side
    440,281.78x = 149,894,406,794.61
  5. Step 5: Solve for x
    x = 149,894,406,794.61/440,281.78
  6. Step 6: Final answer
    x = 340,451.08

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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.