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Finding the Fourth Proportional to 627,545.32, 866,018.22 and 341,066.08

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Solution

The fourth proportional to 627,545.32, 866,018.22 and 341,066.08 is: 470,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,545.32 : 866,018.22 = 341,066.08 : x
  2. Step 2: Convert to fraction form
    627,545.32/866,018.22 = 341,066.08/x
  3. Step 3: Cross multiply
    627,545.32x = 866,018.22 × 341,066.08
  4. Step 4: Simplify right side
    627,545.32x = 295,369,439,503.98
  5. Step 5: Solve for x
    x = 295,369,439,503.98/627,545.32
  6. Step 6: Final answer
    x = 470,674.28

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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.