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Finding the Fourth Proportional to 606,951.60, 910,427.40 and 207,605.40

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Solution

The fourth proportional to 606,951.60, 910,427.40 and 207,605.40 is: 311,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,951.60 : 910,427.40 = 207,605.40 : x
  2. Step 2: Convert to fraction form
    606,951.60/910,427.40 = 207,605.40/x
  3. Step 3: Cross multiply
    606,951.60x = 910,427.40 × 207,605.40
  4. Step 4: Simplify right side
    606,951.60x = 189,009,644,547.96
  5. Step 5: Solve for x
    x = 189,009,644,547.96/606,951.60
  6. Step 6: Final answer
    x = 311,408.10

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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.