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Finding the Fourth Proportional to 556,801.26, 768,385.74 and 302,152.45

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Solution

The fourth proportional to 556,801.26, 768,385.74 and 302,152.45 is: 416,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,801.26 : 768,385.74 = 302,152.45 : x
  2. Step 2: Convert to fraction form
    556,801.26/768,385.74 = 302,152.45/x
  3. Step 3: Cross multiply
    556,801.26x = 768,385.74 × 302,152.45
  4. Step 4: Simplify right side
    556,801.26x = 232,169,633,886.06
  5. Step 5: Solve for x
    x = 232,169,633,886.06/556,801.26
  6. Step 6: Final answer
    x = 416,970.38

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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.