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Finding the Fourth Proportional to 346,729.60, 520,094.40 and 246,678.40

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Solution

The fourth proportional to 346,729.60, 520,094.40 and 246,678.40 is: 370,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,729.60 : 520,094.40 = 246,678.40 : x
  2. Step 2: Convert to fraction form
    346,729.60/520,094.40 = 246,678.40/x
  3. Step 3: Cross multiply
    346,729.60x = 520,094.40 × 246,678.40
  4. Step 4: Simplify right side
    346,729.60x = 128,296,054,440.96
  5. Step 5: Solve for x
    x = 128,296,054,440.96/346,729.60
  6. Step 6: Final answer
    x = 370,017.60

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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.