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Finding the Fourth Proportional to 506,363.47, 698,225.16 and 325,006.90

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Solution

The fourth proportional to 506,363.47, 698,225.16 and 325,006.90 is: 448,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,363.47 : 698,225.16 = 325,006.90 : x
  2. Step 2: Convert to fraction form
    506,363.47/698,225.16 = 325,006.90/x
  3. Step 3: Cross multiply
    506,363.47x = 698,225.16 × 325,006.90
  4. Step 4: Simplify right side
    506,363.47x = 226,927,994,226.82
  5. Step 5: Solve for x
    x = 226,927,994,226.82/506,363.47
  6. Step 6: Final answer
    x = 448,152.38

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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.