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Finding the Fourth Proportional to 602,154.93, 830,897.42 and 330,151.25

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Solution

The fourth proportional to 602,154.93, 830,897.42 and 330,151.25 is: 455,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,154.93 : 830,897.42 = 330,151.25 : x
  2. Step 2: Convert to fraction form
    602,154.93/830,897.42 = 330,151.25/x
  3. Step 3: Cross multiply
    602,154.93x = 830,897.42 × 330,151.25
  4. Step 4: Simplify right side
    602,154.93x = 274,321,816,029.53
  5. Step 5: Solve for x
    x = 274,321,816,029.53/602,154.93
  6. Step 6: Final answer
    x = 455,566.84

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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.