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Finding the Fourth Proportional to 601,167.04, 830,172.51 and 386,679.44

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Solution

The fourth proportional to 601,167.04, 830,172.51 and 386,679.44 is: 533,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,167.04 : 830,172.51 = 386,679.44 : x
  2. Step 2: Convert to fraction form
    601,167.04/830,172.51 = 386,679.44/x
  3. Step 3: Cross multiply
    601,167.04x = 830,172.51 × 386,679.44
  4. Step 4: Simplify right side
    601,167.04x = 321,010,643,345.63
  5. Step 5: Solve for x
    x = 321,010,643,345.63/601,167.04
  6. Step 6: Final answer
    x = 533,979.12

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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.