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Finding the Fourth Proportional to 440,416.86, 607,783.28 and 249,469.89

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Solution

The fourth proportional to 440,416.86, 607,783.28 and 249,469.89 is: 344,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416.86 : 607,783.28 = 249,469.89 : x
  2. Step 2: Convert to fraction form
    440,416.86/607,783.28 = 249,469.89/x
  3. Step 3: Cross multiply
    440,416.86x = 607,783.28 × 249,469.89
  4. Step 4: Simplify right side
    440,416.86x = 151,623,626,758.09
  5. Step 5: Solve for x
    x = 151,623,626,758.09/440,416.86
  6. Step 6: Final answer
    x = 344,272.98

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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.