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Finding the Fourth Proportional to 556,258.86, 767,605.01 and 314,592.12

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Solution

The fourth proportional to 556,258.86, 767,605.01 and 314,592.12 is: 434,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,258.86 : 767,605.01 = 314,592.12 : x
  2. Step 2: Convert to fraction form
    556,258.86/767,605.01 = 314,592.12/x
  3. Step 3: Cross multiply
    556,258.86x = 767,605.01 × 314,592.12
  4. Step 4: Simplify right side
    556,258.86x = 241,482,485,845.56
  5. Step 5: Solve for x
    x = 241,482,485,845.56/556,258.86
  6. Step 6: Final answer
    x = 434,118.90

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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.