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Finding the Fourth Proportional to 604,894.60, 907,341.90 and 539,576.20

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Solution

The fourth proportional to 604,894.60, 907,341.90 and 539,576.20 is: 809,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,894.60 : 907,341.90 = 539,576.20 : x
  2. Step 2: Convert to fraction form
    604,894.60/907,341.90 = 539,576.20/x
  3. Step 3: Cross multiply
    604,894.60x = 907,341.90 × 539,576.20
  4. Step 4: Simplify right side
    604,894.60x = 489,580,094,502.78
  5. Step 5: Solve for x
    x = 489,580,094,502.78/604,894.60
  6. Step 6: Final answer
    x = 809,364.30

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Double scale
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Similar ratio
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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.