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Finding the Fourth Proportional to 341,703.60, 511,345.80 and 297,812.40

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Solution

The fourth proportional to 341,703.60, 511,345.80 and 297,812.40 is: 445,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,703.60 : 511,345.80 = 297,812.40 : x
  2. Step 2: Convert to fraction form
    341,703.60/511,345.80 = 297,812.40/x
  3. Step 3: Cross multiply
    341,703.60x = 511,345.80 × 297,812.40
  4. Step 4: Simplify right side
    341,703.60x = 152,285,119,927.92
  5. Step 5: Solve for x
    x = 152,285,119,927.92/341,703.60
  6. Step 6: Final answer
    x = 445,664.37

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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.