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Finding the Fourth Proportional to 358,440.80, 537,952.80 and 346,776.80

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Solution

The fourth proportional to 358,440.80, 537,952.80 and 346,776.80 is: 520,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,440.80 : 537,952.80 = 346,776.80 : x
  2. Step 2: Convert to fraction form
    358,440.80/537,952.80 = 346,776.80/x
  3. Step 3: Cross multiply
    358,440.80x = 537,952.80 × 346,776.80
  4. Step 4: Simplify right side
    358,440.80x = 186,549,550,535.04
  5. Step 5: Solve for x
    x = 186,549,550,535.04/358,440.80
  6. Step 6: Final answer
    x = 520,447.31

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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.