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Finding the Fourth Proportional to 556,168.28, 767,551.56 and 314,453.20

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Solution

The fourth proportional to 556,168.28, 767,551.56 and 314,453.20 is: 433,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,168.28 : 767,551.56 = 314,453.20 : x
  2. Step 2: Convert to fraction form
    556,168.28/767,551.56 = 314,453.20/x
  3. Step 3: Cross multiply
    556,168.28x = 767,551.56 × 314,453.20
  4. Step 4: Simplify right side
    556,168.28x = 241,359,044,206.99
  5. Step 5: Solve for x
    x = 241,359,044,206.99/556,168.28
  6. Step 6: Final answer
    x = 433,967.65

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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.