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Finding the Fourth Proportional to 346,596.40, 519,894.60 and 97,278.40

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Solution

The fourth proportional to 346,596.40, 519,894.60 and 97,278.40 is: 145,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,596.40 : 519,894.60 = 97,278.40 : x
  2. Step 2: Convert to fraction form
    346,596.40/519,894.60 = 97,278.40/x
  3. Step 3: Cross multiply
    346,596.40x = 519,894.60 × 97,278.40
  4. Step 4: Simplify right side
    346,596.40x = 50,574,514,856.64
  5. Step 5: Solve for x
    x = 50,574,514,856.64/346,596.40
  6. Step 6: Final answer
    x = 145,917.60

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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.