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Finding the Fourth Proportional to 607,499.80, 910,812.30 and 341,341.90

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Solution

The fourth proportional to 607,499.80, 910,812.30 and 341,341.90 is: 511,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,499.80 : 910,812.30 = 341,341.90 : x
  2. Step 2: Convert to fraction form
    607,499.80/910,812.30 = 341,341.90/x
  3. Step 3: Cross multiply
    607,499.80x = 910,812.30 × 341,341.90
  4. Step 4: Simplify right side
    607,499.80x = 310,898,401,025.37
  5. Step 5: Solve for x
    x = 310,898,401,025.37/607,499.80
  6. Step 6: Final answer
    x = 511,767.08

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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.