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Finding the Fourth Proportional to 652,555.95, 900,913.28 and 411,045.54

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Solution

The fourth proportional to 652,555.95, 900,913.28 and 411,045.54 is: 567,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,555.95 : 900,913.28 = 411,045.54 : x
  2. Step 2: Convert to fraction form
    652,555.95/900,913.28 = 411,045.54/x
  3. Step 3: Cross multiply
    652,555.95x = 900,913.28 × 411,045.54
  4. Step 4: Simplify right side
    652,555.95x = 370,316,385,670.77
  5. Step 5: Solve for x
    x = 370,316,385,670.77/652,555.95
  6. Step 6: Final answer
    x = 567,486.03

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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.