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Finding the Fourth Proportional to 404,952.80, 607,502.10 and 168,319.40

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Solution

The fourth proportional to 404,952.80, 607,502.10 and 168,319.40 is: 252,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,952.80 : 607,502.10 = 168,319.40 : x
  2. Step 2: Convert to fraction form
    404,952.80/607,502.10 = 168,319.40/x
  3. Step 3: Cross multiply
    404,952.80x = 607,502.10 × 168,319.40
  4. Step 4: Simplify right side
    404,952.80x = 102,254,388,970.74
  5. Step 5: Solve for x
    x = 102,254,388,970.74/404,952.80
  6. Step 6: Final answer
    x = 252,509.40

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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.