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Finding the Fourth Proportional to 346,646.96, 519,970.60 and 125,030.96

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Solution

The fourth proportional to 346,646.96, 519,970.60 and 125,030.96 is: 187,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,646.96 : 519,970.60 = 125,030.96 : x
  2. Step 2: Convert to fraction form
    346,646.96/519,970.60 = 125,030.96/x
  3. Step 3: Cross multiply
    346,646.96x = 519,970.60 × 125,030.96
  4. Step 4: Simplify right side
    346,646.96x = 65,012,423,289.78
  5. Step 5: Solve for x
    x = 65,012,423,289.78/346,646.96
  6. Step 6: Final answer
    x = 187,546.50

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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.