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Finding the Fourth Proportional to 601,546.61, 830,079.11 and 346,848.59

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Solution

The fourth proportional to 601,546.61, 830,079.11 and 346,848.59 is: 478,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,546.61 : 830,079.11 = 346,848.59 : x
  2. Step 2: Convert to fraction form
    601,546.61/830,079.11 = 346,848.59/x
  3. Step 3: Cross multiply
    601,546.61x = 830,079.11 × 346,848.59
  4. Step 4: Simplify right side
    601,546.61x = 287,911,763,007.32
  5. Step 5: Solve for x
    x = 287,911,763,007.32/601,546.61
  6. Step 6: Final answer
    x = 478,619.21

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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.