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Finding the Fourth Proportional to 522,044.60, 783,066.90 and 495,087.80

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Solution

The fourth proportional to 522,044.60, 783,066.90 and 495,087.80 is: 742,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,044.60 : 783,066.90 = 495,087.80 : x
  2. Step 2: Convert to fraction form
    522,044.60/783,066.90 = 495,087.80/x
  3. Step 3: Cross multiply
    522,044.60x = 783,066.90 × 495,087.80
  4. Step 4: Simplify right side
    522,044.60x = 387,686,868,773.82
  5. Step 5: Solve for x
    x = 387,686,868,773.82/522,044.60
  6. Step 6: Final answer
    x = 742,631.70

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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.