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Finding the Fourth Proportional to 607,030.60, 911,294.70 and 382,390.60

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Solution

The fourth proportional to 607,030.60, 911,294.70 and 382,390.60 is: 574,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,030.60 : 911,294.70 = 382,390.60 : x
  2. Step 2: Convert to fraction form
    607,030.60/911,294.70 = 382,390.60/x
  3. Step 3: Cross multiply
    607,030.60x = 911,294.70 × 382,390.60
  4. Step 4: Simplify right side
    607,030.60x = 348,470,527,109.82
  5. Step 5: Solve for x
    x = 348,470,527,109.82/607,030.60
  6. Step 6: Final answer
    x = 574,057.60

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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.