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Finding the Fourth Proportional to 429,267.65, 592,416.95 and 247,987.22

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Solution

The fourth proportional to 429,267.65, 592,416.95 and 247,987.22 is: 342,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,267.65 : 592,416.95 = 247,987.22 : x
  2. Step 2: Convert to fraction form
    429,267.65/592,416.95 = 247,987.22/x
  3. Step 3: Cross multiply
    429,267.65x = 592,416.95 × 247,987.22
  4. Step 4: Simplify right side
    429,267.65x = 146,911,828,309.36
  5. Step 5: Solve for x
    x = 146,911,828,309.36/429,267.65
  6. Step 6: Final answer
    x = 342,238.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.