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Finding the Fourth Proportional to 559,501.60, 839,252.40 and 470,928.10

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Solution

The fourth proportional to 559,501.60, 839,252.40 and 470,928.10 is: 706,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,501.60 : 839,252.40 = 470,928.10 : x
  2. Step 2: Convert to fraction form
    559,501.60/839,252.40 = 470,928.10/x
  3. Step 3: Cross multiply
    559,501.60x = 839,252.40 × 470,928.10
  4. Step 4: Simplify right side
    559,501.60x = 395,227,538,152.44
  5. Step 5: Solve for x
    x = 395,227,538,152.44/559,501.60
  6. Step 6: Final answer
    x = 706,392.15

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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.