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Finding the Fourth Proportional to 601,158.06, 830,160.09 and 386,670.48

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Solution

The fourth proportional to 601,158.06, 830,160.09 and 386,670.48 is: 533,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,158.06 : 830,160.09 = 386,670.48 : x
  2. Step 2: Convert to fraction form
    601,158.06/830,160.09 = 386,670.48/x
  3. Step 3: Cross multiply
    601,158.06x = 830,160.09 × 386,670.48
  4. Step 4: Simplify right side
    601,158.06x = 320,998,400,477.14
  5. Step 5: Solve for x
    x = 320,998,400,477.14/601,158.06
  6. Step 6: Final answer
    x = 533,966.72

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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.