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Finding the Fourth Proportional to 604,506.78, 906,095.16 and 249,326.64

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Solution

The fourth proportional to 604,506.78, 906,095.16 and 249,326.64 is: 373,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,506.78 : 906,095.16 = 249,326.64 : x
  2. Step 2: Convert to fraction form
    604,506.78/906,095.16 = 249,326.64/x
  3. Step 3: Cross multiply
    604,506.78x = 906,095.16 × 249,326.64
  4. Step 4: Simplify right side
    604,506.78x = 225,913,661,763.06
  5. Step 5: Solve for x
    x = 225,913,661,763.06/604,506.78
  6. Step 6: Final answer
    x = 373,715.68

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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.