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Finding the Fourth Proportional to 662,756.60, 914,604 and 360,950.60

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Solution

The fourth proportional to 662,756.60, 914,604 and 360,950.60 is: 498,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,756.60 : 914,604 = 360,950.60 : x
  2. Step 2: Convert to fraction form
    662,756.60/914,604 = 360,950.60/x
  3. Step 3: Cross multiply
    662,756.60x = 914,604 × 360,950.60
  4. Step 4: Simplify right side
    662,756.60x = 330,126,862,562.40
  5. Step 5: Solve for x
    x = 330,126,862,562.40/662,756.60
  6. Step 6: Final answer
    x = 498,111.77

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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.