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Finding the Fourth Proportional to 623,705.20, 933,808.20 and 606,209.20

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Solution

The fourth proportional to 623,705.20, 933,808.20 and 606,209.20 is: 907,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,705.20 : 933,808.20 = 606,209.20 : x
  2. Step 2: Convert to fraction form
    623,705.20/933,808.20 = 606,209.20/x
  3. Step 3: Cross multiply
    623,705.20x = 933,808.20 × 606,209.20
  4. Step 4: Simplify right side
    623,705.20x = 566,083,121,875.44
  5. Step 5: Solve for x
    x = 566,083,121,875.44/623,705.20
  6. Step 6: Final answer
    x = 907,613.28

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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.