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Finding the Fourth Proportional to 560,923.68, 773,681.88 and 379,555.76

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Solution

The fourth proportional to 560,923.68, 773,681.88 and 379,555.76 is: 523,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,923.68 : 773,681.88 = 379,555.76 : x
  2. Step 2: Convert to fraction form
    560,923.68/773,681.88 = 379,555.76/x
  3. Step 3: Cross multiply
    560,923.68x = 773,681.88 × 379,555.76
  4. Step 4: Simplify right side
    560,923.68x = 293,655,413,961.63
  5. Step 5: Solve for x
    x = 293,655,413,961.63/560,923.68
  6. Step 6: Final answer
    x = 523,521.16

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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.