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Finding the Fourth Proportional to 290,277.99, 400,582.03 and 162,953.55

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Solution

The fourth proportional to 290,277.99, 400,582.03 and 162,953.55 is: 224,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,277.99 : 400,582.03 = 162,953.55 : x
  2. Step 2: Convert to fraction form
    290,277.99/400,582.03 = 162,953.55/x
  3. Step 3: Cross multiply
    290,277.99x = 400,582.03 × 162,953.55
  4. Step 4: Simplify right side
    290,277.99x = 65,276,263,854.71
  5. Step 5: Solve for x
    x = 65,276,263,854.71/290,277.99
  6. Step 6: Final answer
    x = 224,875.00

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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.