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Finding the Fourth Proportional to 584,017.88, 805,214.43 and 487,360.98

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Solution

The fourth proportional to 584,017.88, 805,214.43 and 487,360.98 is: 671,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,017.88 : 805,214.43 = 487,360.98 : x
  2. Step 2: Convert to fraction form
    584,017.88/805,214.43 = 487,360.98/x
  3. Step 3: Cross multiply
    584,017.88x = 805,214.43 × 487,360.98
  4. Step 4: Simplify right side
    584,017.88x = 392,430,093,714.94
  5. Step 5: Solve for x
    x = 392,430,093,714.94/584,017.88
  6. Step 6: Final answer
    x = 671,948.77

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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.