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Finding the Fourth Proportional to 601,159.04, 830,161.47 and 386,671.44

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Solution

The fourth proportional to 601,159.04, 830,161.47 and 386,671.44 is: 533,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,159.04 : 830,161.47 = 386,671.44 : x
  2. Step 2: Convert to fraction form
    601,159.04/830,161.47 = 386,671.44/x
  3. Step 3: Cross multiply
    601,159.04x = 830,161.47 × 386,671.44
  4. Step 4: Simplify right side
    601,159.04x = 320,999,731,037.42
  5. Step 5: Solve for x
    x = 320,999,731,037.42/601,159.04
  6. Step 6: Final answer
    x = 533,968.07

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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.