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Finding the Fourth Proportional to 186,837,613.20, 280,256,419.80 and 176,256,032.40

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Solution

The fourth proportional to 186,837,613.20, 280,256,419.80 and 176,256,032.40 is: 264,384,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,837,613.20 : 280,256,419.80 = 176,256,032.40 : x
  2. Step 2: Convert to fraction form
    186,837,613.20/280,256,419.80 = 176,256,032.40/x
  3. Step 3: Cross multiply
    186,837,613.20x = 280,256,419.80 × 176,256,032.40
  4. Step 4: Simplify right side
    186,837,613.20x = 49,396,884,608,576,808
  5. Step 5: Solve for x
    x = 49,396,884,608,576,808/186,837,613.20
  6. Step 6: Final answer
    x = 264,384,048.60

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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.