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Finding the Fourth Proportional to 360,368.92, 497,358.57 and 207,404.02

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Solution

The fourth proportional to 360,368.92, 497,358.57 and 207,404.02 is: 286,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368.92 : 497,358.57 = 207,404.02 : x
  2. Step 2: Convert to fraction form
    360,368.92/497,358.57 = 207,404.02/x
  3. Step 3: Cross multiply
    360,368.92x = 497,358.57 × 207,404.02
  4. Step 4: Simplify right side
    360,368.92x = 103,154,166,799.45
  5. Step 5: Solve for x
    x = 103,154,166,799.45/360,368.92
  6. Step 6: Final answer
    x = 286,246.01

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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.