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Finding the Fourth Proportional to 595,430.60, 893,145.90 and 436,800.20

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Solution

The fourth proportional to 595,430.60, 893,145.90 and 436,800.20 is: 655,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,430.60 : 893,145.90 = 436,800.20 : x
  2. Step 2: Convert to fraction form
    595,430.60/893,145.90 = 436,800.20/x
  3. Step 3: Cross multiply
    595,430.60x = 893,145.90 × 436,800.20
  4. Step 4: Simplify right side
    595,430.60x = 390,126,307,749.18
  5. Step 5: Solve for x
    x = 390,126,307,749.18/595,430.60
  6. Step 6: Final answer
    x = 655,200.30

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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.