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Finding the Fourth Proportional to 292,281.60, 438,422.40 and 95,289.60

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Solution

The fourth proportional to 292,281.60, 438,422.40 and 95,289.60 is: 142,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.60 : 438,422.40 = 95,289.60 : x
  2. Step 2: Convert to fraction form
    292,281.60/438,422.40 = 95,289.60/x
  3. Step 3: Cross multiply
    292,281.60x = 438,422.40 × 95,289.60
  4. Step 4: Simplify right side
    292,281.60x = 41,777,095,127.04
  5. Step 5: Solve for x
    x = 41,777,095,127.04/292,281.60
  6. Step 6: Final answer
    x = 142,934.40

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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.