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Finding the Fourth Proportional to 676,298.54, 933,320.13 and 374,492.54

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Solution

The fourth proportional to 676,298.54, 933,320.13 and 374,492.54 is: 516,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,298.54 : 933,320.13 = 374,492.54 : x
  2. Step 2: Convert to fraction form
    676,298.54/933,320.13 = 374,492.54/x
  3. Step 3: Cross multiply
    676,298.54x = 933,320.13 × 374,492.54
  4. Step 4: Simplify right side
    676,298.54x = 349,521,426,116.83
  5. Step 5: Solve for x
    x = 349,521,426,116.83/676,298.54
  6. Step 6: Final answer
    x = 516,815.29

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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.