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Finding the Fourth Proportional to 531,403.60, 798,334.20 and 365,515.60

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Solution

The fourth proportional to 531,403.60, 798,334.20 and 365,515.60 is: 549,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,403.60 : 798,334.20 = 365,515.60 : x
  2. Step 2: Convert to fraction form
    531,403.60/798,334.20 = 365,515.60/x
  3. Step 3: Cross multiply
    531,403.60x = 798,334.20 × 365,515.60
  4. Step 4: Simplify right side
    531,403.60x = 291,803,604,113.52
  5. Step 5: Solve for x
    x = 291,803,604,113.52/531,403.60
  6. Step 6: Final answer
    x = 549,118.61

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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.