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Finding the Fourth Proportional to 535,545.81, 739,101.06 and 293,875.47

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Solution

The fourth proportional to 535,545.81, 739,101.06 and 293,875.47 is: 405,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,545.81 : 739,101.06 = 293,875.47 : x
  2. Step 2: Convert to fraction form
    535,545.81/739,101.06 = 293,875.47/x
  3. Step 3: Cross multiply
    535,545.81x = 739,101.06 × 293,875.47
  4. Step 4: Simplify right side
    535,545.81x = 217,203,671,385.00
  5. Step 5: Solve for x
    x = 217,203,671,385.00/535,545.81
  6. Step 6: Final answer
    x = 405,574.40

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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.