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Finding the Fourth Proportional to 636,013.41, 877,699.16 and 349,527.34

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Solution

The fourth proportional to 636,013.41, 877,699.16 and 349,527.34 is: 482,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,013.41 : 877,699.16 = 349,527.34 : x
  2. Step 2: Convert to fraction form
    636,013.41/877,699.16 = 349,527.34/x
  3. Step 3: Cross multiply
    636,013.41x = 877,699.16 × 349,527.34
  4. Step 4: Simplify right side
    636,013.41x = 306,779,852,715.03
  5. Step 5: Solve for x
    x = 306,779,852,715.03/636,013.41
  6. Step 6: Final answer
    x = 482,348.09

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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.