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Finding the Fourth Proportional to 346,508.40, 519,762.60 and 346,508.40

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Solution

The fourth proportional to 346,508.40, 519,762.60 and 346,508.40 is: 519,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,508.40 : 519,762.60 = 346,508.40 : x
  2. Step 2: Convert to fraction form
    346,508.40/519,762.60 = 346,508.40/x
  3. Step 3: Cross multiply
    346,508.40x = 519,762.60 × 346,508.40
  4. Step 4: Simplify right side
    346,508.40x = 180,102,106,905.84
  5. Step 5: Solve for x
    x = 180,102,106,905.84/346,508.40
  6. Step 6: Final answer
    x = 519,762.60

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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.