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Finding the Fourth Proportional to 620,233.60, 928,017.60 and 410,281.60

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Solution

The fourth proportional to 620,233.60, 928,017.60 and 410,281.60 is: 613,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,233.60 : 928,017.60 = 410,281.60 : x
  2. Step 2: Convert to fraction form
    620,233.60/928,017.60 = 410,281.60/x
  3. Step 3: Cross multiply
    620,233.60x = 928,017.60 × 410,281.60
  4. Step 4: Simplify right side
    620,233.60x = 380,748,545,756.16
  5. Step 5: Solve for x
    x = 380,748,545,756.16/620,233.60
  6. Step 6: Final answer
    x = 613,879.26

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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.