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Finding the Fourth Proportional to 522,101.10, 783,151.65 and 495,144.30

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Solution

The fourth proportional to 522,101.10, 783,151.65 and 495,144.30 is: 742,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,101.10 : 783,151.65 = 495,144.30 : x
  2. Step 2: Convert to fraction form
    522,101.10/783,151.65 = 495,144.30/x
  3. Step 3: Cross multiply
    522,101.10x = 783,151.65 × 495,144.30
  4. Step 4: Simplify right side
    522,101.10x = 387,773,075,533.10
  5. Step 5: Solve for x
    x = 387,773,075,533.10/522,101.10
  6. Step 6: Final answer
    x = 742,716.45

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Double scale
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Similar ratio
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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.