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Finding the Fourth Proportional to 463,860.07, 640,116.07 and 272,885.76

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Solution

The fourth proportional to 463,860.07, 640,116.07 and 272,885.76 is: 376,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,860.07 : 640,116.07 = 272,885.76 : x
  2. Step 2: Convert to fraction form
    463,860.07/640,116.07 = 272,885.76/x
  3. Step 3: Cross multiply
    463,860.07x = 640,116.07 × 272,885.76
  4. Step 4: Simplify right side
    463,860.07x = 174,678,559,567.95
  5. Step 5: Solve for x
    x = 174,678,559,567.95/463,860.07
  6. Step 6: Final answer
    x = 376,575.98

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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.