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Finding the Fourth Proportional to 564,047.40, 846,071.10 and 539,164.20

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Solution

The fourth proportional to 564,047.40, 846,071.10 and 539,164.20 is: 808,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,047.40 : 846,071.10 = 539,164.20 : x
  2. Step 2: Convert to fraction form
    564,047.40/846,071.10 = 539,164.20/x
  3. Step 3: Cross multiply
    564,047.40x = 846,071.10 × 539,164.20
  4. Step 4: Simplify right side
    564,047.40x = 456,171,247,774.62
  5. Step 5: Solve for x
    x = 456,171,247,774.62/564,047.40
  6. Step 6: Final answer
    x = 808,746.30

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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.