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Finding the Fourth Proportional to 536,718.92, 740,677.86 and 291,703.70

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Solution

The fourth proportional to 536,718.92, 740,677.86 and 291,703.70 is: 402,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,718.92 : 740,677.86 = 291,703.70 : x
  2. Step 2: Convert to fraction form
    536,718.92/740,677.86 = 291,703.70/x
  3. Step 3: Cross multiply
    536,718.92x = 740,677.86 × 291,703.70
  4. Step 4: Simplify right side
    536,718.92x = 216,058,472,270.08
  5. Step 5: Solve for x
    x = 216,058,472,270.08/536,718.92
  6. Step 6: Final answer
    x = 402,554.23

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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.