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Finding the Fourth Proportional to 346,491, 519,736.52 and 83,835

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Solution

The fourth proportional to 346,491, 519,736.52 and 83,835 is: 125,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,491 : 519,736.52 = 83,835 : x
  2. Step 2: Convert to fraction form
    346,491/519,736.52 = 83,835/x
  3. Step 3: Cross multiply
    346,491x = 519,736.52 × 83,835
  4. Step 4: Simplify right side
    346,491x = 43,572,111,154.20
  5. Step 5: Solve for x
    x = 43,572,111,154.20/346,491
  6. Step 6: Final answer
    x = 125,752.50

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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.