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Finding the Fourth Proportional to 527,641.61, 792,521.53 and 314,824.84

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Solution

The fourth proportional to 527,641.61, 792,521.53 and 314,824.84 is: 472,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,641.61 : 792,521.53 = 314,824.84 : x
  2. Step 2: Convert to fraction form
    527,641.61/792,521.53 = 314,824.84/x
  3. Step 3: Cross multiply
    527,641.61x = 792,521.53 × 314,824.84
  4. Step 4: Simplify right side
    527,641.61x = 249,505,459,916.20
  5. Step 5: Solve for x
    x = 249,505,459,916.20/527,641.61
  6. Step 6: Final answer
    x = 472,869.19

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1.5x scale

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.