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Finding the Fourth Proportional to 941,807.90, 1,411,857.44 and 342,345.67

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Solution

The fourth proportional to 941,807.90, 1,411,857.44 and 342,345.67 is: 513,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,807.90 : 1,411,857.44 = 342,345.67 : x
  2. Step 2: Convert to fraction form
    941,807.90/1,411,857.44 = 342,345.67/x
  3. Step 3: Cross multiply
    941,807.90x = 1,411,857.44 × 342,345.67
  4. Step 4: Simplify right side
    941,807.90x = 483,343,272,470.27
  5. Step 5: Solve for x
    x = 483,343,272,470.27/941,807.90
  6. Step 6: Final answer
    x = 513,207.92

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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.