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Finding the Fourth Proportional to 761,463.65, 1,050,820.98 and 417,244.88

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Solution

The fourth proportional to 761,463.65, 1,050,820.98 and 417,244.88 is: 575,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,463.65 : 1,050,820.98 = 417,244.88 : x
  2. Step 2: Convert to fraction form
    761,463.65/1,050,820.98 = 417,244.88/x
  3. Step 3: Cross multiply
    761,463.65x = 1,050,820.98 × 417,244.88
  4. Step 4: Simplify right side
    761,463.65x = 438,449,673,701.58
  5. Step 5: Solve for x
    x = 438,449,673,701.58/761,463.65
  6. Step 6: Final answer
    x = 575,798.56

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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.