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Finding the Fourth Proportional to 556,259.76, 767,631.06 and 301,605.48

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Solution

The fourth proportional to 556,259.76, 767,631.06 and 301,605.48 is: 416,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,259.76 : 767,631.06 = 301,605.48 : x
  2. Step 2: Convert to fraction form
    556,259.76/767,631.06 = 301,605.48/x
  3. Step 3: Cross multiply
    556,259.76x = 767,631.06 × 301,605.48
  4. Step 4: Simplify right side
    556,259.76x = 231,521,734,314.21
  5. Step 5: Solve for x
    x = 231,521,734,314.21/556,259.76
  6. Step 6: Final answer
    x = 416,211.55

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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.