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Finding the Fourth Proportional to 669,795.12, 924,313.59 and 363,869.10

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Solution

The fourth proportional to 669,795.12, 924,313.59 and 363,869.10 is: 502,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,795.12 : 924,313.59 = 363,869.10 : x
  2. Step 2: Convert to fraction form
    669,795.12/924,313.59 = 363,869.10/x
  3. Step 3: Cross multiply
    669,795.12x = 924,313.59 × 363,869.10
  4. Step 4: Simplify right side
    669,795.12x = 336,329,154,111.07
  5. Step 5: Solve for x
    x = 336,329,154,111.07/669,795.12
  6. Step 6: Final answer
    x = 502,137.36

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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.