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Finding the Fourth Proportional to 653,465.40, 980,246.70 and 232,686.60

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Solution

The fourth proportional to 653,465.40, 980,246.70 and 232,686.60 is: 349,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,465.40 : 980,246.70 = 232,686.60 : x
  2. Step 2: Convert to fraction form
    653,465.40/980,246.70 = 232,686.60/x
  3. Step 3: Cross multiply
    653,465.40x = 980,246.70 × 232,686.60
  4. Step 4: Simplify right side
    653,465.40x = 228,090,271,784.22
  5. Step 5: Solve for x
    x = 228,090,271,784.22/653,465.40
  6. Step 6: Final answer
    x = 349,047.21

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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.