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Finding the Fourth Proportional to 676,203.60, 933,119.53 and 370,283.61

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Solution

The fourth proportional to 676,203.60, 933,119.53 and 370,283.61 is: 510,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,203.60 : 933,119.53 = 370,283.61 : x
  2. Step 2: Convert to fraction form
    676,203.60/933,119.53 = 370,283.61/x
  3. Step 3: Cross multiply
    676,203.60x = 933,119.53 × 370,283.61
  4. Step 4: Simplify right side
    676,203.60x = 345,518,868,129.90
  5. Step 5: Solve for x
    x = 345,518,868,129.90/676,203.60
  6. Step 6: Final answer
    x = 510,968.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.