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Finding the Fourth Proportional to 556,239.80, 767,606.46 and 314,522.36

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Solution

The fourth proportional to 556,239.80, 767,606.46 and 314,522.36 is: 434,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,239.80 : 767,606.46 = 314,522.36 : x
  2. Step 2: Convert to fraction form
    556,239.80/767,606.46 = 314,522.36/x
  3. Step 3: Cross multiply
    556,239.80x = 767,606.46 × 314,522.36
  4. Step 4: Simplify right side
    556,239.80x = 241,429,395,350.45
  5. Step 5: Solve for x
    x = 241,429,395,350.45/556,239.80
  6. Step 6: Final answer
    x = 434,038.33

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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.