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Finding the Fourth Proportional to 346,697.10, 520,096.05 and 147,017.10

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Solution

The fourth proportional to 346,697.10, 520,096.05 and 147,017.10 is: 220,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,697.10 : 520,096.05 = 147,017.10 : x
  2. Step 2: Convert to fraction form
    346,697.10/520,096.05 = 147,017.10/x
  3. Step 3: Cross multiply
    346,697.10x = 520,096.05 × 147,017.10
  4. Step 4: Simplify right side
    346,697.10x = 76,463,012,992.46
  5. Step 5: Solve for x
    x = 76,463,012,992.46/346,697.10
  6. Step 6: Final answer
    x = 220,547.02

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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.