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Finding the Fourth Proportional to 882,838.14, 1,218,232.47 and 495,564.90

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Solution

The fourth proportional to 882,838.14, 1,218,232.47 and 495,564.90 is: 683,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,838.14 : 1,218,232.47 = 495,564.90 : x
  2. Step 2: Convert to fraction form
    882,838.14/1,218,232.47 = 495,564.90/x
  3. Step 3: Cross multiply
    882,838.14x = 1,218,232.47 × 495,564.90
  4. Step 4: Simplify right side
    882,838.14x = 603,713,252,172.30
  5. Step 5: Solve for x
    x = 603,713,252,172.30/882,838.14
  6. Step 6: Final answer
    x = 683,832.32

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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.