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Finding the Fourth Proportional to 942,053, 1,299,479.70 and 592,637.74

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Solution

The fourth proportional to 942,053, 1,299,479.70 and 592,637.74 is: 817,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,053 : 1,299,479.70 = 592,637.74 : x
  2. Step 2: Convert to fraction form
    942,053/1,299,479.70 = 592,637.74/x
  3. Step 3: Cross multiply
    942,053x = 1,299,479.70 × 592,637.74
  4. Step 4: Simplify right side
    942,053x = 770,120,712,583.88
  5. Step 5: Solve for x
    x = 770,120,712,583.88/942,053
  6. Step 6: Final answer
    x = 817,491.92

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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.