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Finding the Fourth Proportional to 292,283.60, 438,425.40 and 239,752.40

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Solution

The fourth proportional to 292,283.60, 438,425.40 and 239,752.40 is: 359,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,283.60 : 438,425.40 = 239,752.40 : x
  2. Step 2: Convert to fraction form
    292,283.60/438,425.40 = 239,752.40/x
  3. Step 3: Cross multiply
    292,283.60x = 438,425.40 × 239,752.40
  4. Step 4: Simplify right side
    292,283.60x = 105,113,541,870.96
  5. Step 5: Solve for x
    x = 105,113,541,870.96/292,283.60
  6. Step 6: Final answer
    x = 359,628.60

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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.