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Finding the Fourth Proportional to 598,276.80, 897,415.20 and 346,334.40

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Solution

The fourth proportional to 598,276.80, 897,415.20 and 346,334.40 is: 519,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,276.80 : 897,415.20 = 346,334.40 : x
  2. Step 2: Convert to fraction form
    598,276.80/897,415.20 = 346,334.40/x
  3. Step 3: Cross multiply
    598,276.80x = 897,415.20 × 346,334.40
  4. Step 4: Simplify right side
    598,276.80x = 310,805,754,842.88
  5. Step 5: Solve for x
    x = 310,805,754,842.88/598,276.80
  6. Step 6: Final answer
    x = 519,501.60

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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.