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Finding the Fourth Proportional to 343,462.32, 473,430.35 and 270,746.63

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Solution

The fourth proportional to 343,462.32, 473,430.35 and 270,746.63 is: 373,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,462.32 : 473,430.35 = 270,746.63 : x
  2. Step 2: Convert to fraction form
    343,462.32/473,430.35 = 270,746.63/x
  3. Step 3: Cross multiply
    343,462.32x = 473,430.35 × 270,746.63
  4. Step 4: Simplify right side
    343,462.32x = 128,179,668,081.34
  5. Step 5: Solve for x
    x = 128,179,668,081.34/343,462.32
  6. Step 6: Final answer
    x = 373,198.63

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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.