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Finding the Fourth Proportional to 556,141.50, 767,470.71 and 301,486.14

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Solution

The fourth proportional to 556,141.50, 767,470.71 and 301,486.14 is: 416,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,141.50 : 767,470.71 = 301,486.14 : x
  2. Step 2: Convert to fraction form
    556,141.50/767,470.71 = 301,486.14/x
  3. Step 3: Cross multiply
    556,141.50x = 767,470.71 × 301,486.14
  4. Step 4: Simplify right side
    556,141.50x = 231,381,781,920.96
  5. Step 5: Solve for x
    x = 231,381,781,920.96/556,141.50
  6. Step 6: Final answer
    x = 416,048.40

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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.