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Finding the Fourth Proportional to 556,016.46, 767,294.42 and 314,290.55

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Solution

The fourth proportional to 556,016.46, 767,294.42 and 314,290.55 is: 433,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,016.46 : 767,294.42 = 314,290.55 : x
  2. Step 2: Convert to fraction form
    556,016.46/767,294.42 = 314,290.55/x
  3. Step 3: Cross multiply
    556,016.46x = 767,294.42 × 314,290.55
  4. Step 4: Simplify right side
    556,016.46x = 241,153,379,865.81
  5. Step 5: Solve for x
    x = 241,153,379,865.81/556,016.46
  6. Step 6: Final answer
    x = 433,716.26

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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.