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Finding the Fourth Proportional to 563,767.80, 847,725.30 and 472,529.40

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Solution

The fourth proportional to 563,767.80, 847,725.30 and 472,529.40 is: 710,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,767.80 : 847,725.30 = 472,529.40 : x
  2. Step 2: Convert to fraction form
    563,767.80/847,725.30 = 472,529.40/x
  3. Step 3: Cross multiply
    563,767.80x = 847,725.30 × 472,529.40
  4. Step 4: Simplify right side
    563,767.80x = 400,575,127,373.82
  5. Step 5: Solve for x
    x = 400,575,127,373.82/563,767.80
  6. Step 6: Final answer
    x = 710,532.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.