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Finding the Fourth Proportional to 346,592.40, 519,499.80 and 178,047.60

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Solution

The fourth proportional to 346,592.40, 519,499.80 and 178,047.60 is: 266,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,592.40 : 519,499.80 = 178,047.60 : x
  2. Step 2: Convert to fraction form
    346,592.40/519,499.80 = 178,047.60/x
  3. Step 3: Cross multiply
    346,592.40x = 519,499.80 × 178,047.60
  4. Step 4: Simplify right side
    346,592.40x = 92,495,692,590.48
  5. Step 5: Solve for x
    x = 92,495,692,590.48/346,592.40
  6. Step 6: Final answer
    x = 266,871.67

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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.