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Finding the Fourth Proportional to 601,543.48, 830,074.80 and 346,845.46

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Solution

The fourth proportional to 601,543.48, 830,074.80 and 346,845.46 is: 478,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,543.48 : 830,074.80 = 346,845.46 : x
  2. Step 2: Convert to fraction form
    601,543.48/830,074.80 = 346,845.46/x
  3. Step 3: Cross multiply
    601,543.48x = 830,074.80 × 346,845.46
  4. Step 4: Simplify right side
    601,543.48x = 287,907,675,840.41
  5. Step 5: Solve for x
    x = 287,907,675,840.41/601,543.48
  6. Step 6: Final answer
    x = 478,614.91

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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.