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Finding the Fourth Proportional to 586,903.36, 880,607.76 and 316,977.34

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Solution

The fourth proportional to 586,903.36, 880,607.76 and 316,977.34 is: 475,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,903.36 : 880,607.76 = 316,977.34 : x
  2. Step 2: Convert to fraction form
    586,903.36/880,607.76 = 316,977.34/x
  3. Step 3: Cross multiply
    586,903.36x = 880,607.76 × 316,977.34
  4. Step 4: Simplify right side
    586,903.36x = 279,132,705,348.16
  5. Step 5: Solve for x
    x = 279,132,705,348.16/586,903.36
  6. Step 6: Final answer
    x = 475,602.50

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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.