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Finding the Fourth Proportional to 346,777.40, 520,166.10 and 97,459.40

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Solution

The fourth proportional to 346,777.40, 520,166.10 and 97,459.40 is: 146,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,777.40 : 520,166.10 = 97,459.40 : x
  2. Step 2: Convert to fraction form
    346,777.40/520,166.10 = 97,459.40/x
  3. Step 3: Cross multiply
    346,777.40x = 520,166.10 × 97,459.40
  4. Step 4: Simplify right side
    346,777.40x = 50,695,076,006.34
  5. Step 5: Solve for x
    x = 50,695,076,006.34/346,777.40
  6. Step 6: Final answer
    x = 146,189.10

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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.