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Finding the Fourth Proportional to 556,202.34, 767,511.99 and 314,451.36

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Solution

The fourth proportional to 556,202.34, 767,511.99 and 314,451.36 is: 433,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,202.34 : 767,511.99 = 314,451.36 : x
  2. Step 2: Convert to fraction form
    556,202.34/767,511.99 = 314,451.36/x
  3. Step 3: Cross multiply
    556,202.34x = 767,511.99 × 314,451.36
  4. Step 4: Simplify right side
    556,202.34x = 241,345,189,071.81
  5. Step 5: Solve for x
    x = 241,345,189,071.81/556,202.34
  6. Step 6: Final answer
    x = 433,916.17

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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.