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Finding the Fourth Proportional to 403,336, 556,603.68 and 224,484.16

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Solution

The fourth proportional to 403,336, 556,603.68 and 224,484.16 is: 309,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,336 : 556,603.68 = 224,484.16 : x
  2. Step 2: Convert to fraction form
    403,336/556,603.68 = 224,484.16/x
  3. Step 3: Cross multiply
    403,336x = 556,603.68 × 224,484.16
  4. Step 4: Simplify right side
    403,336x = 124,948,709,557.71
  5. Step 5: Solve for x
    x = 124,948,709,557.71/403,336
  6. Step 6: Final answer
    x = 309,788.14

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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.