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Finding the Fourth Proportional to 760.74, 1,048.76 and 592.17

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Solution

The fourth proportional to 760.74, 1,048.76 and 592.17 is: 816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.74 : 1,048.76 = 592.17 : x
  2. Step 2: Convert to fraction form
    760.74/1,048.76 = 592.17/x
  3. Step 3: Cross multiply
    760.74x = 1,048.76 × 592.17
  4. Step 4: Simplify right side
    760.74x = 621,041.25
  5. Step 5: Solve for x
    x = 621,041.25/760.74
  6. Step 6: Final answer
    x = 816.36

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Double scale
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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.