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Finding the Fourth Proportional to 553,077.04, 829,615.55 and 198,340.17

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Solution

The fourth proportional to 553,077.04, 829,615.55 and 198,340.17 is: 297,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,077.04 : 829,615.55 = 198,340.17 : x
  2. Step 2: Convert to fraction form
    553,077.04/829,615.55 = 198,340.17/x
  3. Step 3: Cross multiply
    553,077.04x = 829,615.55 × 198,340.17
  4. Step 4: Simplify right side
    553,077.04x = 164,546,089,404.59
  5. Step 5: Solve for x
    x = 164,546,089,404.59/553,077.04
  6. Step 6: Final answer
    x = 297,510.25

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Double scale
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Similar ratio
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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.