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Finding the Fourth Proportional to 429,555.78, 592,752.29 and 248,279.45

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Solution

The fourth proportional to 429,555.78, 592,752.29 and 248,279.45 is: 342,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,555.78 : 592,752.29 = 248,279.45 : x
  2. Step 2: Convert to fraction form
    429,555.78/592,752.29 = 248,279.45/x
  3. Step 3: Cross multiply
    429,555.78x = 592,752.29 × 248,279.45
  4. Step 4: Simplify right side
    429,555.78x = 147,168,212,547.44
  5. Step 5: Solve for x
    x = 147,168,212,547.44/429,555.78
  6. Step 6: Final answer
    x = 342,605.59

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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.