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Finding the Fourth Proportional to 602,517.36, 903,617.64 and 286,345.20

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Solution

The fourth proportional to 602,517.36, 903,617.64 and 286,345.20 is: 429,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,517.36 : 903,617.64 = 286,345.20 : x
  2. Step 2: Convert to fraction form
    602,517.36/903,617.64 = 286,345.20/x
  3. Step 3: Cross multiply
    602,517.36x = 903,617.64 × 286,345.20
  4. Step 4: Simplify right side
    602,517.36x = 258,746,573,849.33
  5. Step 5: Solve for x
    x = 258,746,573,849.33/602,517.36
  6. Step 6: Final answer
    x = 429,442.52

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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.