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Finding the Fourth Proportional to 601,985.42, 830,773.80 and 357,115.14

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Solution

The fourth proportional to 601,985.42, 830,773.80 and 357,115.14 is: 492,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,985.42 : 830,773.80 = 357,115.14 : x
  2. Step 2: Convert to fraction form
    601,985.42/830,773.80 = 357,115.14/x
  3. Step 3: Cross multiply
    601,985.42x = 830,773.80 × 357,115.14
  4. Step 4: Simplify right side
    601,985.42x = 296,681,901,895.33
  5. Step 5: Solve for x
    x = 296,681,901,895.33/601,985.42
  6. Step 6: Final answer
    x = 492,839.02

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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.