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Finding the Fourth Proportional to 602,431.08, 903,059.08 and 286,803.24

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Solution

The fourth proportional to 602,431.08, 903,059.08 and 286,803.24 is: 429,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,431.08 : 903,059.08 = 286,803.24 : x
  2. Step 2: Convert to fraction form
    602,431.08/903,059.08 = 286,803.24/x
  3. Step 3: Cross multiply
    602,431.08x = 903,059.08 × 286,803.24
  4. Step 4: Simplify right side
    602,431.08x = 259,000,270,055.42
  5. Step 5: Solve for x
    x = 259,000,270,055.42/602,431.08
  6. Step 6: Final answer
    x = 429,925.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.