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Finding the Fourth Proportional to 346,648.96, 519,973.60 and 125,032.96

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Solution

The fourth proportional to 346,648.96, 519,973.60 and 125,032.96 is: 187,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,648.96 : 519,973.60 = 125,032.96 : x
  2. Step 2: Convert to fraction form
    346,648.96/519,973.60 = 125,032.96/x
  3. Step 3: Cross multiply
    346,648.96x = 519,973.60 × 125,032.96
  4. Step 4: Simplify right side
    346,648.96x = 65,013,838,329.86
  5. Step 5: Solve for x
    x = 65,013,838,329.86/346,648.96
  6. Step 6: Final answer
    x = 187,549.50

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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.