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Finding the Fourth Proportional to 584,294.40, 875,491.20 and 528,307.20

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Solution

The fourth proportional to 584,294.40, 875,491.20 and 528,307.20 is: 791,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,294.40 : 875,491.20 = 528,307.20 : x
  2. Step 2: Convert to fraction form
    584,294.40/875,491.20 = 528,307.20/x
  3. Step 3: Cross multiply
    584,294.40x = 875,491.20 × 528,307.20
  4. Step 4: Simplify right side
    584,294.40x = 462,528,304,496.64
  5. Step 5: Solve for x
    x = 462,528,304,496.64/584,294.40
  6. Step 6: Final answer
    x = 791,601.47

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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.