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Finding the Fourth Proportional to 719,954.48, 993,547.68 and 418,148.48

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Solution

The fourth proportional to 719,954.48, 993,547.68 and 418,148.48 is: 577,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,954.48 : 993,547.68 = 418,148.48 : x
  2. Step 2: Convert to fraction form
    719,954.48/993,547.68 = 418,148.48/x
  3. Step 3: Cross multiply
    719,954.48x = 993,547.68 × 418,148.48
  4. Step 4: Simplify right side
    719,954.48x = 415,450,452,199.53
  5. Step 5: Solve for x
    x = 415,450,452,199.53/719,954.48
  6. Step 6: Final answer
    x = 577,051.00

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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.