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Finding the Fourth Proportional to 558,503.60, 837,755.40 and 432,532.40

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Solution

The fourth proportional to 558,503.60, 837,755.40 and 432,532.40 is: 648,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,503.60 : 837,755.40 = 432,532.40 : x
  2. Step 2: Convert to fraction form
    558,503.60/837,755.40 = 432,532.40/x
  3. Step 3: Cross multiply
    558,503.60x = 837,755.40 × 432,532.40
  4. Step 4: Simplify right side
    558,503.60x = 362,356,353,774.96
  5. Step 5: Solve for x
    x = 362,356,353,774.96/558,503.60
  6. Step 6: Final answer
    x = 648,798.60

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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.